-9=-6u+3(u+2)

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Solution for -9=-6u+3(u+2) equation:


Simplifying
-9 = -6u + 3(u + 2)

Reorder the terms:
-9 = -6u + 3(2 + u)
-9 = -6u + (2 * 3 + u * 3)
-9 = -6u + (6 + 3u)

Reorder the terms:
-9 = 6 + -6u + 3u

Combine like terms: -6u + 3u = -3u
-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 = 15
3u = 15

Divide each side by '3'.
u = 5

Simplifying
u = 5

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