-x+7x=-10+4x-30

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Solution for -x+7x=-10+4x-30 equation: 



-x+7x=-10+4x-30

We move all terms to the left:

-x+7x-(-10+4x-30)=0

We add all the numbers together, and all the variables

-x+7x-(4x-40)=0

We add all the numbers together, and all the variables

6x-(4x-40)=0

We get rid of parentheses

6x-4x+40=0

We add all the numbers together, and all the variables

2x+40=0

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

2x=-40

x=-40/2

x=-20

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