9x-7=2x-91

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Solution for 9x-7=2x-91 equation: 



9x-7=2x-91

We move all terms to the left:

9x-7-(2x-91)=0

We get rid of parentheses

9x-2x+91-7=0

We add all the numbers together, and all the variables

7x+84=0

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

7x=-84

x=-84/7

x=-12

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