(u-9)9=45

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Solution for (u-9)9=45 equation: 



(u-9)9=45

We move all terms to the left:

(u-9)9-(45)=0

We multiply parentheses

9u-81-45=0

We add all the numbers together, and all the variables

9u-126=0

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

9u=126

u=126/9

u=14

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