2(h-3)-h=21-18

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Solution for 2(h-3)-h=21-18 equation:


2(h-3)-h=21-18

We simplify the equation to the form, which is simple to understand 
2(h-3)-h=21-18

Reorder the terms in parentheses
+(+2h-6)-h=21-18

Remove unnecessary parentheses
+2h-6-h=+21-18

We move all terms containing h to the left and all other terms to the right. 
+2h-1h=+21-18+6

We simplify left and right side of the equation. 
+1h=+9

We divide both sides of the equation by 1 to get h. 
h=9

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