(u-9)*9=54

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Solution for (u-9)*9=54 equation:


Simplifying
(u + -9) * 9 = 54

Reorder the terms:
(-9 + u) * 9 = 54

Reorder the terms for easier multiplication:
9(-9 + u) = 54
(-9 * 9 + u * 9) = 54
(-81 + 9u) = 54

Solving
-81 + 9u = 54

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 = 54 + 81

Combine like terms: -81 + 81 = 0
0 + 9u = 54 + 81
9u = 54 + 81

Combine like terms: 54 + 81 = 135
9u = 135

Divide each side by '9'.
u = 15

Simplifying
u = 15

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