-3x+15+5x+20=12-4x

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Solution for -3x+15+5x+20=12-4x equation: 



-3x+15+5x+20=12-4x

We move all terms to the left:

-3x+15+5x+20-(12-4x)=0

We add all the numbers together, and all the variables

-3x+5x-(-4x+12)+15+20=0

We add all the numbers together, and all the variables

2x-(-4x+12)+35=0

We get rid of parentheses

2x+4x-12+35=0

We add all the numbers together, and all the variables

6x+23=0

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

6x=-23

x=-23/6

x=-3+5/6

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