-7(3x-4)=-21x-28

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Solution for -7(3x-4)=-21x-28 equation: 



-7(3x-4)=-21x-28

We move all terms to the left:

-7(3x-4)-(-21x-28)=0

We multiply parentheses

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

We get rid of parentheses

-21x+21x+28+28=0

We add all the numbers together, and all the variables

56!=0

There is no solution for this equation

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