15-3x+4(x+20)=2x+12

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Solution for 15-3x+4(x+20)=2x+12 equation: 



15-3x+4(x+20)=2x+12

We move all terms to the left:

15-3x+4(x+20)-(2x+12)=0

We multiply parentheses

-3x+4x-(2x+12)+80+15=0

We get rid of parentheses

-3x+4x-2x-12+80+15=0

We add all the numbers together, and all the variables

-1x+83=0

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

-x=-83

x=-83/-1

x=+83

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