-3u-2=(u+9)

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Solution for -3u-2=(u+9) equation:


Simplifying
-3u + -2 = (u + 9)

Reorder the terms:
-2 + -3u = (u + 9)

Reorder the terms:
-2 + -3u = (9 + u)

Remove parenthesis around (9 + u)
-2 + -3u = 9 + u

Solving
-2 + -3u = 9 + u

Solving for variable 'u'.

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

Add '-1u' to each side of the equation.
-2 + -3u + -1u = 9 + u + -1u

Combine like terms: -3u + -1u = -4u
-2 + -4u = 9 + u + -1u

Combine like terms: u + -1u = 0
-2 + -4u = 9 + 0
-2 + -4u = 9

Add '2' to each side of the equation.
-2 + 2 + -4u = 9 + 2

Combine like terms: -2 + 2 = 0
0 + -4u = 9 + 2
-4u = 9 + 2

Combine like terms: 9 + 2 = 11
-4u = 11

Divide each side by '-4'.
u = -2.75

Simplifying
u = -2.75

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