7(-5+7x)-7=-140

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Solution for 7(-5+7x)-7=-140 equation: 



7(-5+7x)-7=-140

We move all terms to the left:

7(-5+7x)-7-(-140)=0

We add all the numbers together, and all the variables

7(7x-5)-7-(-140)=0

We add all the numbers together, and all the variables

7(7x-5)+133=0

We multiply parentheses

49x-35+133=0

We add all the numbers together, and all the variables

49x+98=0

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

49x=-98

x=-98/49

x=-2

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