u+381=-9u-9

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Solution for u+381=-9u-9 equation:


Simplifying
u + 381 = -9u + -9

Reorder the terms:
381 + u = -9u + -9

Reorder the terms:
381 + u = -9 + -9u

Solving
381 + u = -9 + -9u

Solving for variable 'u'.

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

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

Combine like terms: u + 9u = 10u
381 + 10u = -9 + -9u + 9u

Combine like terms: -9u + 9u = 0
381 + 10u = -9 + 0
381 + 10u = -9

Add '-381' to each side of the equation.
381 + -381 + 10u = -9 + -381

Combine like terms: 381 + -381 = 0
0 + 10u = -9 + -381
10u = -9 + -381

Combine like terms: -9 + -381 = -390
10u = -390

Divide each side by '10'.
u = -39

Simplifying
u = -39

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