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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

10x-(2x-20)+4=0

We get rid of parentheses

10x-2x+20+4=0

We add all the numbers together, and all the variables

8x+24=0

We move all terms containing x to the left, all other terms to the right

8x=-24

x=-24/8

x=-3

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