5u+9=89

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Solution for 5u+9=89 equation: 



5u+9=89

We move all terms to the left:

5u+9-(89)=0

We add all the numbers together, and all the variables

5u-80=0

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

5u=80

u=80/5

u=16

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