3x+1x+2=-18

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Solution for 3x+1x+2=-18 equation: 



3x+1x+2=-18

We move all terms to the left:

3x+1x+2-(-18)=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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