20=2u+6

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Solution for 20=2u+6 equation: 



20=2u+6

We move all terms to the left:

20-(2u+6)=0

We get rid of parentheses

-2u-6+20=0

We add all the numbers together, and all the variables

-2u+14=0

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

-2u=-14

u=-14/-2

u=+7

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