12-(-3)+3x=-12

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Solution for 12-(-3)+3x=-12 equation:


12-(-3)+3x=-12

We simplify the equation to the form, which is simple to understand 
12-(-3)+3x=-12

Remove unnecessary parentheses
12+3+3x=-12

We move all terms containing x to the left and all other terms to the right. 
+3x=-12-12-3

We simplify left and right side of the equation. 
+3x=-27

We divide both sides of the equation by 3 to get x. 
x=-9

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