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-38=-5u+2(u+7)
We move all terms to the left:
-38-(-5u+2(u+7))=0
We calculate terms in parentheses: -(-5u+2(u+7)), so:We get rid of parentheses
-5u+2(u+7)
We multiply parentheses
-5u+2u+14
We add all the numbers together, and all the variables
-3u+14
Back to the equation:
-(-3u+14)
3u-14-38=0
We add all the numbers together, and all the variables
3u-52=0
We move all terms containing u to the left, all other terms to the right
3u=52
u=52/3
u=17+1/3
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