(U-4)*9=45

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Solution for (U-4)*9=45 equation:


Simplifying
(U + -4) * 9 = 45

Reorder the terms:
(-4 + U) * 9 = 45

Reorder the terms for easier multiplication:
9(-4 + U) = 45
(-4 * 9 + U * 9) = 45
(-36 + 9U) = 45

Solving
-36 + 9U = 45

Solving for variable 'U'.

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

Add '36' to each side of the equation.
-36 + 36 + 9U = 45 + 36

Combine like terms: -36 + 36 = 0
0 + 9U = 45 + 36
9U = 45 + 36

Combine like terms: 45 + 36 = 81
9U = 81

Divide each side by '9'.
U = 9

Simplifying
U = 9

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