-(2x+8)+12=21

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Solution for -(2x+8)+12=21 equation:


-(2x+8)+12=21

We simplify the equation to the form, which is simple to understand 
-(2x+8)+12=21

Remove unnecessary parentheses
-2x-8+12=21

We move all terms containing x to the left and all other terms to the right. 
-2x=+21+8-12

We simplify left and right side of the equation. 
-2x=+17

We divide both sides of the equation by -2 to get x. 
x=-8.5

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