18+0.2x=-12

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Solution for 18+0.2x=-12 equation: 



18+0.2x=-12

We move all terms to the left:

18+0.2x-(-12)=0

We add all the numbers together, and all the variables

0.2x+30=0

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

0.2x=-30

x=-30/0.2

x=-150

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