I need help on this specific equation: 10x+1=3x+9

Answers

Answer 1

Answer: Well, first you'd have to get the x by it's self.
10x+1=3x+9
Subtract 3x from each side and you'll have the x on only one side rather than two.
7x+1=9
Now I'd get rid of the 1 on the x's side. So just subtract 1 from each side.
7x=8
Then you should make it so the seven isn't there with the x either. Just divide each side by 7.
Answer: x=8/7
Each time you change something on one side, you must do the same to the other side. T find the value of a variable in an equation, simple seclude it so it's on it's own without number to make things confusing.
The answer was x=8/7 btw.

Answer 2

Answer: Oh! these are fun! ok so:

10x-3x=9-1
First, put the variables on one side,and the normal numbers on the other.
Keep in mind that u have to change the sign (+ or -) when you switch sides.

7x=8
Then group the numbers (10x-3x=7x)

Lastly, isolate the x, to get the answer:
x=8/7

Hope this helps!

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When 4((0.5 x + 2.5 y minus 0.7 x minus 1.3 y + 4)) is simplified, what is the resulting expression?

Answers

Answer:

$-0.8x + 4.8y + 16$

Step-by-step explanation:

We have to simplify the given expression:

$4(0.5x + 2.5y-0.7x-1.3y+4)$

First we group all the like terms of x.

$4((0.5x-0.7x) + 2.5y-1.3y+4))\n=4(-0.2x+ 2.5y-1.3y+4)$

Next we group all the like terms of y.

$4(-0.2x+ (2.5y-1.3y)+4)\n=4(-0.2x+1.2y+4)$

Now, we use distributive property for the multiplication,

$4(-0.2x+1.2y+4)\n=(4* -0.2x) + (4* 1.2y) + (4* 4)\n=-0.8x + 4.8y + 16$

is the required simplified expression.

Answer:

-0.8x + 4.8y + 16

Step-by-step explanation:

PLZ ANWSER GEOMETRY

Answers

Answer:

Step-by-step explanation:

5) 108

6) 55

7) 49

8) 65

Find the surface area of a triangular prism that has the following dimensions. Use the formula SA = 2 B + Ph . B = 84 mm 2 P = 56 mm h = 5 mm

Answers

the answer is 448
2 x 84=168
56 x 5 = 280
168 + 280 is 448

I need your HELPTom knows that in his school 10 out of every 85 students are left handed. There are 391 students in Tom's school. How many students in Tom's school are left-handed?

Answers

There are 46 left-handed students in Tom's school.

What is an expression?

An expression contains one or more terms with addition, subtraction, multiplication, and division.

We always combine the liketerms in an expression when we simplify.

We also keep all the like terms on one side of the expression if we are dealing with two sides of an expression.

Example:

1 + 3x + 4y = 7 is an expression.

3 + 4 is an expression.

2 x 4 + 6 x 7 – 9 is an expression.

33 + 77 – 88 is an expression.

We have,

We can use a proportion to solve the problem:

10 left-handed students out of 85 total students is equivalent to x left-handed students out of 391 total students:

10/85 = x/391

To solve for x, we can cross-multiply:

85x = 10 x 391

Then divide both sides by 85:

x = (10 x 391) / 85

Simplifying the right-hand side gives:

x = 46

Thus,

There are 46 left-handed students in Tom's school.

Learn more about expressions here:

brainly.com/question/3118662

#SPJ3

Do 391 ÷ 85 to get 4.6
Then 85 × 4.6 = 391
So 10 × 4.6 =46
So there are 46 kids in Toms school that are eft handed out of every 391 students.

Paul owes Paula 35 cents and has a pocket full of 5-cent coins, 10-cent coins, and 25-cent coins that he can use to pay her. What is the difference between the largest and the smallest number of coins he can use to pay her?GIVE U MANY POINTS!!!!!!

Answers

5 cents is the answer because u can use 7 5 cent pieces or a 25 cent peice and 10 cent piece to get 35. 7-2=5

Write a real-world situation that could be modeled by the equation 500+250x=300x

Answers

bob wants to pass through the canyon but the sphinx is blocking the way. 'You must answer my riddle', says the Sphinx, 'if 500+250x=300x, find x. I need it because my baker wants to know the answer because his uncle's son's grandma's father wants to solve his problems with this magic equation'
If bob answers correctly, then he will live. If not he will die.
(certainly this is a real life application for those traveling through canyons)

(ok, joking aside the answer is
there are some people in a bank
500 water bottles are lost
if each person was given 250 bottles, then they would have given away all of the bottles.
if they had not lost the bottles, then they would have been able to give 300 bottles, how many people were there?)

500+250x=300x
500=50x
x=10

Sal's bakery already has 500 loaves of bread displayed, with an additional number of 250 loaves baked each day. Jack's bakery bakes 300 loaves of bread each day. Find the number of days it takes for both bakeries to have the same number of loaves of bread.

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Help me plzzzzzzzzzz