3x-x+12=-30

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Solution for 3x-x+12=-30 equation:


3x-x+12=-30

We simplify the equation to the form, which is simple to understand 
3x-x+12=-30

We move all terms containing x to the left and all other terms to the right. 
+3x-1x=-30-12

We simplify left and right side of the equation. 
+2x=-42

We divide both sides of the equation by 2 to get x. 
x=-21

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