115=u/3+90

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Solution for 115=u/3+90 equation:



115=u/3+90
We move all terms to the left:
115-(u/3+90)=0
We get rid of parentheses
-u/3-90+115=0
We multiply all the terms by the denominator
-u-90*3+115*3=0
We add all the numbers together, and all the variables
-1u+75=0
We move all terms containing u to the left, all other terms to the right
-u=-75
u=-75/-1
u=+75

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