9u+9=81

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Solution for 9u+9=81 equation: 


Simplifying
9u + 9 = 81

Reorder the terms:
9 + 9u = 81

Solving
9 + 9u = 81

Solving for variable 'u'.

Move all terms containing u to the left, all other terms to the right.

Add '-9' to each side of the equation.
9 + -9 + 9u = 81 + -9

Combine like terms: 9 + -9 = 0
0 + 9u = 81 + -9
9u = 81 + -9

Combine like terms: 81 + -9 = 72
9u = 72

Divide each side by '9'.
u = 8

Simplifying
u = 8

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