9x=84x-7

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Solution for 9x=84x-7 equation: 



9x=84x-7

We move all terms to the left:

9x-(84x-7)=0

We get rid of parentheses

9x-84x+7=0

We add all the numbers together, and all the variables

-75x+7=0

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

-75x=-7

x=-7/-75

x=7/75

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