-9=-6+3u

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Solution for -9=-6+3u equation:


Simplifying
-9 = -6 + 3u

Solving
-9 = -6 + 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 = -6 + 3u + -3u

Combine like terms: 3u + -3u = 0
-9 + -3u = -6 + 0
-9 + -3u = -6

Add '9' to each side of the equation.
-9 + 9 + -3u = -6 + 9

Combine like terms: -9 + 9 = 0
0 + -3u = -6 + 9
-3u = -6 + 9

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

Divide each side by '-3'.
u = -1

Simplifying
u = -1

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