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

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


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

Reorder the terms:
-30 = 3(-3 + U) + -6u
-30 = (-3 * 3 + U * 3) + -6u
-30 = (-9 + 3U) + -6u

Solving
-30 = -9 + 3U + -6u

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.
-30 + -3U = -9 + 3U + -3U + -6u

Combine like terms: 3U + -3U = 0
-30 + -3U = -9 + 0 + -6u
-30 + -3U = -9 + -6u

Add '30' to each side of the equation.
-30 + 30 + -3U = -9 + 30 + -6u

Combine like terms: -30 + 30 = 0
0 + -3U = -9 + 30 + -6u
-3U = -9 + 30 + -6u

Combine like terms: -9 + 30 = 21
-3U = 21 + -6u

Divide each side by '-3'.
U = -7 + 2u

Simplifying
U = -7 + 2u

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