8+.5x=-12

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Solution for 8+.5x=-12 equation: 



8+.5x=-12

We move all terms to the left:

8+.5x-(-12)=0

We add all the numbers together, and all the variables

.5x+20=0

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

.5x=-20

x=-20/.5

x=-40

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