7(10-7x)=-77

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Solution for 7(10-7x)=-77 equation: 



7(10-7x)=-77

We move all terms to the left:

7(10-7x)-(-77)=0

We add all the numbers together, and all the variables

7(-7x+10)-(-77)=0

We add all the numbers together, and all the variables

7(-7x+10)+77=0

We multiply parentheses

-49x+70+77=0

We add all the numbers together, and all the variables

-49x+147=0

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

-49x=-147

x=-147/-49

x=+3

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