15-0.5x=-3

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Solution for 15-0.5x=-3 equation: 



15-0.5x=-3

We move all terms to the left:

15-0.5x-(-3)=0

We add all the numbers together, and all the variables

-0.5x+18=0

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

-0.5x=-18

x=-18/-0.5

x=+36

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