3u-12=-2(u-9)

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Solution for 3u-12=-2(u-9) equation:


3u-12=-2(u-9)

We simplify the equation to the form, which is simple to understand 
3u-12=-2(u-9)

Reorder the terms in parentheses
3u-12=+(-2u+18)

Remove unnecessary parentheses
+3u-12=-2u+18

We move all terms containing u to the left and all other terms to the right. 
+3u+2u=+18+12

We simplify left and right side of the equation. 
+5u=+30

We divide both sides of the equation by 5 to get u. 
u=6

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