8u=45+3u

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Solution for 8u=45+3u equation: 



8u=45+3u

We move all terms to the left:

8u-(45+3u)=0

We add all the numbers together, and all the variables

8u-(3u+45)=0

We get rid of parentheses

8u-3u-45=0

We add all the numbers together, and all the variables

5u-45=0

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

5u=45

u=45/5

u=9

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