-7(x=3)=4-4x+20

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Solution for -7(x=3)=4-4x+20 equation: 



-7(x=3)=4-4x+20

We move all terms to the left:

-7(x-(3))=0

We multiply parentheses

-7x+21=0

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

-7x=-21

x=-21/-7

x=+3

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