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X+2=-3X-19
We move all terms to the left:
X+2-(-3X-19)=0
We get rid of parentheses
X+3X+19+2=0
We add all the numbers together, and all the variables
4X+21=0
We move all terms containing X to the left, all other terms to the right
4X=-21
X=-21/4
X=-5+1/4
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