9x+7=7x-8

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Solution for 9x+7=7x-8 equation: 



9x+7=7x-8

We move all terms to the left:

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

We get rid of parentheses

9x-7x+8+7=0

We add all the numbers together, and all the variables

2x+15=0

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

2x=-15

x=-15/2

x=-7+1/2

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