7(-1x-9)=-84

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Solution for 7(-1x-9)=-84 equation: 



7(-1x-9)=-84

We move all terms to the left:

7(-1x-9)-(-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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