-3u-9=-9(u-5)

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Solution for -3u-9=-9(u-5) equation:


Simplifying
-3u + -9 = -9(u + -5)

Reorder the terms:
-9 + -3u = -9(u + -5)

Reorder the terms:
-9 + -3u = -9(-5 + u)
-9 + -3u = (-5 * -9 + u * -9)
-9 + -3u = (45 + -9u)

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

Solving for variable 'u'.

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

Add '9u' to each side of the equation.
-9 + -3u + 9u = 45 + -9u + 9u

Combine like terms: -3u + 9u = 6u
-9 + 6u = 45 + -9u + 9u

Combine like terms: -9u + 9u = 0
-9 + 6u = 45 + 0
-9 + 6u = 45

Add '9' to each side of the equation.
-9 + 9 + 6u = 45 + 9

Combine like terms: -9 + 9 = 0
0 + 6u = 45 + 9
6u = 45 + 9

Combine like terms: 45 + 9 = 54
6u = 54

Divide each side by '6'.
u = 9

Simplifying
u = 9

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