27=u/2+21

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Solution for 27=u/2+21 equation:



27=u/2+21
We move all terms to the left:
27-(u/2+21)=0
We get rid of parentheses
-u/2-21+27=0
We multiply all the terms by the denominator
-u-21*2+27*2=0
We add all the numbers together, and all the variables
-1u+12=0
We move all terms containing u to the left, all other terms to the right
-u=-12
u=-12/-1
u=+12

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