4(-5+7x)=-40+8x

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Solution for 4(-5+7x)=-40+8x equation: 



4(-5+7x)=-40+8x

We move all terms to the left:

4(-5+7x)-(-40+8x)=0

We add all the numbers together, and all the variables

4(7x-5)-(8x-40)=0

We multiply parentheses

28x-(8x-40)-20=0

We get rid of parentheses

28x-8x+40-20=0

We add all the numbers together, and all the variables

20x+20=0

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

20x=-20

x=-20/20

x=-1

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