3(x+2)-(x+6)=5x-21

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Solution for 3(x+2)-(x+6)=5x-21 equation:


3(x+2)-(x+6)=5x-21

We simplify the equation to the form, which is simple to understand 
3(x+2)-(x+6)=5x-21

Reorder the terms in parentheses
+(+3x+6)-(x+6)=5x-21

Remove unnecessary parentheses
+3x+6-(+x+6+)=+5x-21

Remove unnecessary parentheses
+3x+6-1x-6=5x-21

We move all terms containing x to the left and all other terms to the right. 
+3x-1x-5x=-21-6+6

We simplify left and right side of the equation. 
-3x=-21

We divide both sides of the equation by -3 to get x. 
x=7

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