9(u-7)-18=-9

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Solution for 9(u-7)-18=-9 equation: 



9(u-7)-18=-9

We move all terms to the left:

9(u-7)-18-(-9)=0

We add all the numbers together, and all the variables

9(u-7)-9=0

We multiply parentheses

9u-63-9=0

We add all the numbers together, and all the variables

9u-72=0

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

9u=72

u=72/9

u=8

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