u+120+8u=3u

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Solution for u+120+8u=3u equation:


Simplifying
u + 120 + 8u = 3u

Reorder the terms:
120 + u + 8u = 3u

Combine like terms: u + 8u = 9u
120 + 9u = 3u

Solving
120 + 9u = 3u

Solving for variable 'u'.

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

Add '-3u' to each side of the equation.
120 + 9u + -3u = 3u + -3u

Combine like terms: 9u + -3u = 6u
120 + 6u = 3u + -3u

Combine like terms: 3u + -3u = 0
120 + 6u = 0

Add '-120' to each side of the equation.
120 + -120 + 6u = 0 + -120

Combine like terms: 120 + -120 = 0
0 + 6u = 0 + -120
6u = 0 + -120

Combine like terms: 0 + -120 = -120
6u = -120

Divide each side by '6'.
u = -20

Simplifying
u = -20

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