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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

28x-21+21=0

We add all the numbers together, and all the variables

28x=0

x=0/28

x=0

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