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

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


Simplifying
3(3u + -3) + -3(u + 5) = 0

Reorder the terms:
3(-3 + 3u) + -3(u + 5) = 0
(-3 * 3 + 3u * 3) + -3(u + 5) = 0
(-9 + 9u) + -3(u + 5) = 0

Reorder the terms:
-9 + 9u + -3(5 + u) = 0
-9 + 9u + (5 * -3 + u * -3) = 0
-9 + 9u + (-15 + -3u) = 0

Reorder the terms:
-9 + -15 + 9u + -3u = 0

Combine like terms: -9 + -15 = -24
-24 + 9u + -3u = 0

Combine like terms: 9u + -3u = 6u
-24 + 6u = 0

Solving
-24 + 6u = 0

Solving for variable 'u'.

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

Add '24' to each side of the equation.
-24 + 24 + 6u = 0 + 24

Combine like terms: -24 + 24 = 0
0 + 6u = 0 + 24
6u = 0 + 24

Combine like terms: 0 + 24 = 24
6u = 24

Divide each side by '6'.
u = 4

Simplifying
u = 4

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