14u=81+5u

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Solution for 14u=81+5u equation: 



14u=81+5u

We move all terms to the left:

14u-(81+5u)=0

We add all the numbers together, and all the variables

14u-(5u+81)=0

We get rid of parentheses

14u-5u-81=0

We add all the numbers together, and all the variables

9u-81=0

We move all terms containing u to the left, all other terms to the right

9u=81

u=81/9

u=9

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