9=u/2

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Solution for 9=u/2 equation:



9=u/2
We move all terms to the left:
9-(u/2)=0
We add all the numbers together, and all the variables
-(+u/2)+9=0
We get rid of parentheses
-u/2+9=0
We multiply all the terms by the denominator
-u+9*2=0
We add all the numbers together, and all the variables
-1u+18=0
We move all terms containing u to the left, all other terms to the right
-u=-18
u=-18/-1
u=+18

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