7(3-x)=77

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Solution for 7(3-x)=77 equation: 



7(3-x)=77

We move all terms to the left:

7(3-x)-(77)=0

We add all the numbers together, and all the variables

7(-1x+3)-77=0

We multiply parentheses

-7x+21-77=0

We add all the numbers together, and all the variables

-7x-56=0

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

-7x=56

x=56/-7

x=-8

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