x+5+2x=-12

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Solution for x+5+2x=-12 equation: 



x+5+2x=-12

We move all terms to the left:

x+5+2x-(-12)=0

We add all the numbers together, and all the variables

3x+17=0

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

3x=-17

x=-17/3

x=-5+2/3

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