2/3x - 2 = 7 solve the equation

Answers

Answer 1

Answer: Isolate the x.

Do the opposite of PEMDAS. Note the equal sign. What you do to one side, you do to the other.

2/3x - 2 = 7

Add 2 to both sides

2/3x - 2 (+2) = 7 (+2)

2/3x = 9

Multiply 3/2 to both sides to isolate the x

2/3x(3/2) = 9(3/2)

x = 9(3/2)

Multiply 9 with 3, and divide by 2

9 x 3 = 27
27/2 = 13.5

x = 13.5 is your answer

hope this helps

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Craig has a job waiting tables where he earns $3.15 per hour plus tips. Craig earned $79.48 in tips during his shift yesterday.If x represents the number of hours Craig worked yesterday, which of the following equations can be used to find the amount of money Craig earned yesterday? A. y = 3.15x + 79.48 B. y = 79.48x + 3.15 C. y = 79.48x - 3.15 D. y = 3.15x - 79.48
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50 ounces is how many pounds

Answers

The Answer is 3.125 Hope This Helps:)

the answer will be 3.125 pounds but if your rounding to the nearest ten it would be 3.1 pounds

CAN ANYONE PLEASE HELP WITH MATH?The rectangle has an area of 4(x+3) square units.
A- If the dimensions of the rectangle are doubled, what is the area of the new rectangle in terms of x? Show your work.

B- Will the ratio of the area of the original rectangle to the area of the larger rectangle be the same for any positive value of x? Explain.

Answers

A)
If it has an area of 4(x+3) we can think that one side has a length of 4, and the other has a length of (x+3).

So, if the dimensions were doubled, 4 x 2 = 8. And 2(x+3) = 2x+6.

The new area would be:

8(2x+6) = 16x+48.

B)
The ratio will be the same. For example lets plug in some points:

x=0
4(0+3) = 4(3) = 12

And
16(0)+48 = 0+48 = 48

So the ratio is 48/12 = 4

Lets plug in another point.

x=2
4(2+3)= 4(5) = 20

And
x=2
16(2)+48 = 32 + 48 = 80

80/20 = 4

So the ratio is the same :)

A- $a_(1) = length , b_(2)=width, A_(1)= Area;$
$a_(2)=na_(1) , b_(2)=nb_(1) ==> A_(2)= 2^(n) A_(1)$
if we double the dimensions of the rectangle, the area will be fourfold:
$A_(2) = 2^2[4(x+3)]=16x+48$

B- yes, it will always be the same because:
$(A_(2))/(A_(1)) = (4(4(x+3)))/(4(x+3)) =4$

two cars travel in opposite directions, starting from the same place at the same time. One travels at an average rate of 48 miles per hour and the other averaged at 55 miles per hour. in how many hours will the be 618 miles apart?

Answers

so in 1 hour they will be 48+55=103 miles apart
how many hours will it be in 618
103 times x hours=618
divide both sides by 103
x=618/103
x=6

the answer is 6 hours

5.1Mdm Ong had a basket of pears.
When she met Jason, she gave him 10 pears.
When she met Ben, she gave him of the remaining pears in the basket.
2
If Mdm Ong was left with 5 pears in the basket, how many pears did she have
at first?

Answers

Answer:

Step-by-step explanation:

That makes it

10+2+5 =17

Answer:

Step-by-step explanation:

that makes this type

10+5+2 : 17

Whats the elapsed time between 2:20pm to 3:05pm?

Answers

45 minutes. 2:20 pm + 40 minutes =3:00 pm+ 5 minutes = 3:05pm. Therefore, the answer is 45 minutes.

A tent is in the shape of a triangular prism. The front and back are isosceles triangles with base 6 feet and height 4 feet. The surface area of the entire tent is 104 square feet. What is the depth of the tent?

Answers

6×4= 24
104 ÷24=4.3
hope this helps

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