2x+(x+3)=12

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


2x+(x+3)=12

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

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

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

We simplify left and right side of the equation. 
+3x=+9

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

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