20=u/2+13

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Solution for 20=u/2+13 equation: 



20=u/2+13

We move all terms to the left:

20-(u/2+13)=0

We get rid of parentheses

-u/2-13+20=0

We multiply all the terms by the denominator


-u-13*2+20*2=0

We add all the numbers together, and all the variables

-1u+14=0

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

-u=-14

u=-14/-1

u=+14

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