3x-20+4x=7x+2

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Solution for 3x-20+4x=7x+2 equation: 



3x-20+4x=7x+2

We move all terms to the left:

3x-20+4x-(7x+2)=0

We add all the numbers together, and all the variables

7x-(7x+2)-20=0

We get rid of parentheses

7x-7x-2-20=0

We add all the numbers together, and all the variables

-22!=0

There is no solution for this equation

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