-7(7x-3)=-49x+21

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Solution for -7(7x-3)=-49x+21 equation: 



-7(7x-3)=-49x+21

We move all terms to the left:

-7(7x-3)-(-49x+21)=0

We multiply parentheses

-49x-(-49x+21)+21=0

We get rid of parentheses

-49x+49x-21+21=0

We add all the numbers together, and all the variables

=0

x=0/1

x=0

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