x+5+7=

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Solution for x+5+7= equation:


x+5+7=0

We simplify the equation to the form, which is simple to understand 
x+5+7=0

We move all terms containing x to the left and all other terms to the right. 
+1x=0-5-7

We simplify left and right side of the equation. 
+1x=-12

We divide both sides of the equation by 1 to get x. 
x=-12

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