9x-15-(7x-8)=13

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Solution for 9x-15-(7x-8)=13 equation: 



9x-15-(7x-8)=13

We move all terms to the left:

9x-15-(7x-8)-(13)=0

We add all the numbers together, and all the variables

9x-(7x-8)-28=0

We get rid of parentheses

9x-7x+8-28=0

We add all the numbers together, and all the variables

2x-20=0

We move all terms containing x to the left, all other terms to the right

2x=20

x=20/2

x=10

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