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

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



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

We move all terms to the left:

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

We multiply parentheses

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

We get rid of parentheses

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

We add all the numbers together, and all the variables

42!=0

There is no solution for this equation

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