7(9-x)=84

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Solution for 7(9-x)=84 equation: 



7(9-x)=84

We move all terms to the left:

7(9-x)-(84)=0

We add all the numbers together, and all the variables

7(-1x+9)-84=0

We multiply parentheses

-7x+63-84=0

We add all the numbers together, and all the variables

-7x-21=0

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

-7x=21

x=21/-7

x=-3

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