7(1-7x)=-140

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Solution for 7(1-7x)=-140 equation: 



7(1-7x)=-140

We move all terms to the left:

7(1-7x)-(-140)=0

We add all the numbers together, and all the variables

7(-7x+1)-(-140)=0

We add all the numbers together, and all the variables

7(-7x+1)+140=0

We multiply parentheses

-49x+7+140=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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