3x+12=-8+x

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



3x+12=-8+x

We move all terms to the left:

3x+12-(-8+x)=0

We add all the numbers together, and all the variables

3x-(x-8)+12=0

We get rid of parentheses

3x-x+8+12=0

We add all the numbers together, and all the variables

2x+20=0

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

2x=-20

x=-20/2

x=-10

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