| 9x+7|-2=32 please help explain answer

Mathematics

2 answers:

Alex Ar [27]4 years ago

6 0

Answer:

x=3

Step-by-step explanation:

add 2 to both sides

subtract 7 from both sides

divide by 9 on both sides

Diano4ka-milaya [45]4 years ago

3 0

I don’t know if this is right but, I think that you should take 32 and add it with 2 Which gives you 34. Then subtract 7 from 7 and 34 from 7 which gives you 27. Now divide 9 by 9 and 27 by 9 and that should give you 3, so your answer is x=3.

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Kyle is making a frame for a rectangular piece of art. The length of the frame is 3 times the width, as shown below. If Kyle use

satela [25.4K]

Answer:

———————

6.75 feet |

———————

Step-by-step explanation:

Let the width be x. If the width is x, the the length has to be 3x because in the question it says that the length is 3 times the width.

Since this is a rectangle, the opposite side has the same measure, like in the attachment below.

To find the perimeter, you would add up all the sides.

3x+3x+x+x

=6x+2x

=8x

It is also given in the question that he uses 18 feet. Which means that the perimeter is 18 feet. But you figured out that 8x is ALSO the perimeter. This means that you can say: 8x=18.

Solve for x, 18/8=9/4=2.25.

You want the length, which is 3x. So 3(2.25) is your answer.

3(2.25) = 6.75