U-9=-7u+7-9

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


Simplifying
U + -9 = -7u + 7 + -9

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

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

Combine like terms: 7 + -9 = -2
-9 + U = -2 + -7u

Solving
-9 + U = -2 + -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 = -2 + 9 + -7u

Combine like terms: -9 + 9 = 0
0 + U = -2 + 9 + -7u
U = -2 + 9 + -7u

Combine like terms: -2 + 9 = 7
U = 7 + -7u

Simplifying
U = 7 + -7u

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