6(u-2)-3u=-30

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Solution for 6(u-2)-3u=-30 equation: 


Simplifying
6(u + -2) + -3u = -30

Reorder the terms:
6(-2 + u) + -3u = -30
(-2 * 6 + u * 6) + -3u = -30
(-12 + 6u) + -3u = -30

Combine like terms: 6u + -3u = 3u
-12 + 3u = -30

Solving
-12 + 3u = -30

Solving for variable 'u'.

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

Add '12' to each side of the equation.
-12 + 12 + 3u = -30 + 12

Combine like terms: -12 + 12 = 0
0 + 3u = -30 + 12
3u = -30 + 12

Combine like terms: -30 + 12 = -18
3u = -18

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

Simplifying
u = -6

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