8u+16=4u+20

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Solution for 8u+16=4u+20 equation: 



8u+16=4u+20

We move all terms to the left:

8u+16-(4u+20)=0

We get rid of parentheses

8u-4u-20+16=0

We add all the numbers together, and all the variables

4u-4=0

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

4u=4

u=4/4

u=1

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