12=3(u+1)

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Solution for 12=3(u+1) equation:


12=3(u+1)

We simplify the equation to the form, which is simple to understand 
12=3(u+1)

Reorder the terms in parentheses
12=+(+3u+3)

Remove unnecessary parentheses
+12=+3u+3

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

We simplify left and right side of the equation. 
-3u=-9

We divide both sides of the equation by -03 to get u. 
u=3

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