20=u/3+5

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Solution for 20=u/3+5 equation:



20=u/3+5
We move all terms to the left:
20-(u/3+5)=0
We get rid of parentheses
-u/3-5+20=0
We multiply all the terms by the denominator
-u-5*3+20*3=0
We add all the numbers together, and all the variables
-1u+45=0
We move all terms containing u to the left, all other terms to the right
-u=-45
u=-45/-1
u=+45

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