15=x-(-7)

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Solution for 15=x-(-7) equation:


15=x-(-7)

We simplify the equation to the form, which is simple to understand 
15=x-(-7)

Remove unnecessary parentheses
15=x+7

We move all terms containing x to the left and all other terms to the right. 
-1x=+7-15

We simplify left and right side of the equation. 
-1x=-8

We divide both sides of the equation by -01 to get x. 
x=8

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