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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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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