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2=8u+3(u-3)
We move all terms to the left:
2-(8u+3(u-3))=0
We calculate terms in parentheses: -(8u+3(u-3)), so:We get rid of parentheses
8u+3(u-3)
We multiply parentheses
8u+3u-9
We add all the numbers together, and all the variables
11u-9
Back to the equation:
-(11u-9)
-11u+9+2=0
We add all the numbers together, and all the variables
-11u+11=0
We move all terms containing u to the left, all other terms to the right
-11u=-11
u=-11/-11
u=1
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