4u+9=85

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Solution for 4u+9=85 equation: 



4u+9=85

We move all terms to the left:

4u+9-(85)=0

We add all the numbers together, and all the variables

4u-76=0

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

4u=76

u=76/4

u=19

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