9u+45=-3(u-3)

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Solution for 9u+45=-3(u-3) equation: 


Simplifying
9u + 45 = -3(u + -3)

Reorder the terms:
45 + 9u = -3(u + -3)

Reorder the terms:
45 + 9u = -3(-3 + u)
45 + 9u = (-3 * -3 + u * -3)
45 + 9u = (9 + -3u)

Solving
45 + 9u = 9 + -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.
45 + 9u + 3u = 9 + -3u + 3u

Combine like terms: 9u + 3u = 12u
45 + 12u = 9 + -3u + 3u

Combine like terms: -3u + 3u = 0
45 + 12u = 9 + 0
45 + 12u = 9

Add '-45' to each side of the equation.
45 + -45 + 12u = 9 + -45

Combine like terms: 45 + -45 = 0
0 + 12u = 9 + -45
12u = 9 + -45

Combine like terms: 9 + -45 = -36
12u = -36

Divide each side by '12'.
u = -3

Simplifying
u = -3

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