-3(2x-7)=-6x+21

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Solution for -3(2x-7)=-6x+21 equation: 



-3(2x-7)=-6x+21

We move all terms to the left:

-3(2x-7)-(-6x+21)=0

We multiply parentheses

-6x-(-6x+21)+21=0

We get rid of parentheses

-6x+6x-21+21=0

We add all the numbers together, and all the variables

=0

x=0/1

x=0

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