2(u+7)=9u-42

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Solution for 2(u+7)=9u-42 equation:


2(u+7)=9u-42

We simplify the equation to the form, which is simple to understand 
2(u+7)=9u-42

Reorder the terms in parentheses
+(+2u+14)=9u-42

Remove unnecessary parentheses
+2u+14=+9u-42

We move all terms containing u to the left and all other terms to the right. 
+2u-9u=-42-14

We simplify left and right side of the equation. 
-7u=-56

We divide both sides of the equation by -7 to get u. 
u=8

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