-9=3u-3

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Solution for -9=3u-3 equation:


Simplifying
-9 = 3u + -3

Reorder the terms:
-9 = -3 + 3u

Solving
-9 = -3 + 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.
-9 + -3u = -3 + 3u + -3u

Combine like terms: 3u + -3u = 0
-9 + -3u = -3 + 0
-9 + -3u = -3

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

Combine like terms: -9 + 9 = 0
0 + -3u = -3 + 9
-3u = -3 + 9

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

Divide each side by '-3'.
u = -2

Simplifying
u = -2

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