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

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



7(x+3)=-21+7x
We move all terms to the left:
7(x+3)-(-21+7x)=0
We add all the numbers together, and all the variables
7(x+3)-(7x-21)=0
We multiply parentheses
7x-(7x-21)+21=0
We get rid of parentheses
7x-7x+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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