3x+(-x-2)=12

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Solution for 3x+(-x-2)=12 equation:


3x+(-x-2)=12

We simplify the equation to the form, which is simple to understand 
3x+(-x-2)=12

Remove unnecessary parentheses
+3x-x-2=+12

We move all terms containing x to the left and all other terms to the right. 
+3x-1x=+12+2

We simplify left and right side of the equation. 
+2x=+14

We divide both sides of the equation by 2 to get x. 
x=7

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