(u-9)*9=45

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


Simplifying
(u + -9) * 9 = 45

Reorder the terms:
(-9 + u) * 9 = 45

Reorder the terms for easier multiplication:
9(-9 + u) = 45
(-9 * 9 + u * 9) = 45
(-81 + 9u) = 45

Solving
-81 + 9u = 45

Solving for variable 'u'.

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

Add '81' to each side of the equation.
-81 + 81 + 9u = 45 + 81

Combine like terms: -81 + 81 = 0
0 + 9u = 45 + 81
9u = 45 + 81

Combine like terms: 45 + 81 = 126
9u = 126

Divide each side by '9'.
u = 14

Simplifying
u = 14

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