15-2=-x

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Solution for 15-2=-x equation: 



15-2=-x

We move all terms to the left:

15-2-(-x)=0

We add all the numbers together, and all the variables

-(-1x)+15-2=0

We add all the numbers together, and all the variables

-(-1x)+13=0

We get rid of parentheses

1x+13=0

We add all the numbers together, and all the variables

x+13=0

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

x=-13

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