4-3x=8x+7

PLEASE HELP I GIVE THANKS!

Answers

Answer 1

Answer: Since 8x contains the variable to solve for, move it to the left-hand side of the equation by subtracting 8x from both sides.
4−3x−8x=7

Add −3x and −8x to get −11x.
4−11x=7

Move 4 to the right hand side of the equation by subtracting 4 from both sides.
−11x=−4+7

Add −4 and 7 to get 3.
−11x=3

Divide each term in the equation by −11.

x=−3/11

Answer 2

Answer: Subtract four from either side:
-3x = 8x +3
Subtract 8x from either side
-11x = 3
Divide both side by negative eleven
x = -11/3
That's your answer! Hope this helps!

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Which statement is true about the diagram below?

Answers

Answer:

x = 22

y = 32

Step-by-step explanation:

The sum of interior angles in a rectangle is 360° so

100° + 5y + 4x + 2x = 360 add like terms

6x + 4y = 260°

Now, we know that the measure of an inscribed angle in a circle is equal to the half of the arc it sees

so if the arc that 100° sees is equal to 200 then the arc 5y sees would be 160 (because perimeter of a circle is 360°)

if 5y = 160 then y = 32

We said 6x + 4y = 260° since we know what y is equal to now we can replace the value

6x + 4×32 = 260

6x + 128 = 260

6x = 132

x = 22

I think there must be a mistake in answering options but this is how we solve this kind of problems.

Answer:

To me, none of the answers seem correct.

Step-by-step explanation:

x = 30, y = 20 is 100 + 60 + 120 + 100 which is 380 total, so incorrect

x = 2, y = 2 is 10 + 10 + 8 + 100 which is 128 total, so incorrect

x = 60, y = 25 is 125 + 120 + 240 + 100 which is too great, so incorrect

x = 60, y = 52 is too great, so incorrect

Plz let me know what I did wrong if anyone gets the answer...

How can you use expressions and models to determine if expressions are equivalent

Answers

To check for equivalence, use properties of operations such as the Distributive Property. Two expression are said to be equivalent if they resulted in the same number after evaluation of each. You can both expand and factor expressions to generate equivalent expressions.

A children's birthday party at an indoor play center costs $50 to rent the space and $6.25 per child. Gina wants to spend no more than $100 on her son's fourth birthday party. Write an inequality for the number of children who can attend the birthday party, and solve the inequality.

Answers

Inequality: 50 + 6.25x < 100

50 + 6.25x < 100
-50    -50
   6.25x < 50
   ÷6.25 ÷6.25
   x < 8

Gina can only invite 8 children to attend her son's fourth birthday party and remain within the budget of $100 total cost. In excess of 8 will put Gina beyond budget by 6.50 per extra child.

Mats dog is 7 years old (human years) 7 years later how old would he be in dog years?

Answers

mats dog would be 49 dog years because each of our years for a dog is 7 and 7x7=49

Answer:49 years old

Step-by-step explanation:

7x7=49

Find the median and mode of the data. A.

median = 82.4
no mode

B.

median = 82.4
mode = 85

C.

median = 85
no mode

D.

median = 85
mode = 82.4

Answers

$the\ data:\n\n51;\ 75;\ 79;\ \underline{81;\ 89};\ 90;\ 96;\ 98\n\nMedian=(81+89)/(2)=(170)/(2)=\boxed{85}\n\nNO\ Mode\ because\ each\ number\ appears\ only\ once\n\nAnswer:\boxed{C}$

You would add all the terms together and then divide to get the mean which is 51+75+79+81+89+90+96+98=584/8=73 and there is no mode.

35 = 45 - n;10,11,12 \\\\