-7u+4(u+3)=9

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Solution for -7u+4(u+3)=9 equation:


-7u+4(u+3)=9

We simplify the equation to the form, which is simple to understand 
-7u+4(u+3)=9

Reorder the terms in parentheses
-7u+(+4u+12)=9

Remove unnecessary parentheses
-7u+4u+12=+9

We move all terms containing u to the left and all other terms to the right. 
-7u+4u=+9-12

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

We divide both sides of the equation by -3 to get u. 
u=1

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