x=3-(-12)

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


x=3-(-12)

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

Remove unnecessary parentheses
x=3+12

We move all terms containing x to the left and all other terms to the right. 
+1x=+3+12

We simplify left and right side of the equation. 
+1x=+15

We divide both sides of the equation by 1 to get x. 
x=15

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