9+3u=-9+6u

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


Simplifying
9 + 3u = -9 + 6u

Solving
9 + 3u = -9 + 6u

Solving for variable 'u'.

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

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

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

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

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

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

Combine like terms: -9 + -9 = -18
-3u = -18

Divide each side by '-3'.
u = 6

Simplifying
u = 6

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