3x+12=-8x-19

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Solution for 3x+12=-8x-19 equation: 



3x+12=-8x-19

We move all terms to the left:

3x+12-(-8x-19)=0

We get rid of parentheses

3x+8x+19+12=0

We add all the numbers together, and all the variables

11x+31=0

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

11x=-31

x=-31/11

x=-2+9/11

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