4(5x+7)-5(7x-7)=-7x-x

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Solution for 4(5x+7)-5(7x-7)=-7x-x equation: 



4(5x+7)-5(7x-7)=-7x-x

We move all terms to the left:

4(5x+7)-5(7x-7)-(-7x-x)=0

We add all the numbers together, and all the variables

4(5x+7)-5(7x-7)-(-8x)=0

We multiply parentheses

20x-35x-(-8x)+28+35=0

We get rid of parentheses

20x-35x+8x+28+35=0

We add all the numbers together, and all the variables

-7x+63=0

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

-7x=-63

x=-63/-7

x=+9

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