x+12+3x=8x-8

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Solution for x+12+3x=8x-8 equation:



x+12+3x=8x-8
We move all terms to the left:
x+12+3x-(8x-8)=0
We add all the numbers together, and all the variables
4x-(8x-8)+12=0
We get rid of parentheses
4x-8x+8+12=0
We add all the numbers together, and all the variables
-4x+20=0
We move all terms containing x to the left, all other terms to the right
-4x=-20
x=-20/-4
x=+5

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