7x-12=3x+4x+8=20

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Solution for 7x-12=3x+4x+8=20 equation: 



7x-12=3x+4x+8=20

We move all terms to the left:

7x-12-(3x+4x+8)=0

We add all the numbers together, and all the variables

7x-(7x+8)-12=0

We get rid of parentheses

7x-7x-8-12=0

We add all the numbers together, and all the variables

-20!=0

There is no solution for this equation

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