18-9U+15U-9=

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Solution for 18-9U+15U-9= equation:


Simplifying
18 + -9U + 15U + -9 = 0

Reorder the terms:
18 + -9 + -9U + 15U = 0

Combine like terms: 18 + -9 = 9
9 + -9U + 15U = 0

Combine like terms: -9U + 15U = 6U
9 + 6U = 0

Solving
9 + 6U = 0

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 + 6U = 0 + -9

Combine like terms: 9 + -9 = 0
0 + 6U = 0 + -9
6U = 0 + -9

Combine like terms: 0 + -9 = -9
6U = -9

Divide each side by '6'.
U = -1.5

Simplifying
U = -1.5

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