-4(x-7)=3x-21

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Solution for -4(x-7)=3x-21 equation: 



-4(x-7)=3x-21

We move all terms to the left:

-4(x-7)-(3x-21)=0

We multiply parentheses

-4x-(3x-21)+28=0

We get rid of parentheses

-4x-3x+21+28=0

We add all the numbers together, and all the variables

-7x+49=0

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

-7x=-49

x=-49/-7

x=+7

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