U-9=-7u+9

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Solution for U-9=-7u+9 equation: 


Simplifying
U + -9 = -7u + 9

Reorder the terms:
-9 + U = -7u + 9

Reorder the terms:
-9 + U = 9 + -7u

Solving
-9 + U = 9 + -7u

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 + U = 9 + 9 + -7u

Combine like terms: -9 + 9 = 0
0 + U = 9 + 9 + -7u
U = 9 + 9 + -7u

Combine like terms: 9 + 9 = 18
U = 18 + -7u

Simplifying
U = 18 + -7u

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