3u-45=-6(u-6)

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Solution for 3u-45=-6(u-6) equation:


Simplifying
3u + -45 = -6(u + -6)

Reorder the terms:
-45 + 3u = -6(u + -6)

Reorder the terms:
-45 + 3u = -6(-6 + u)
-45 + 3u = (-6 * -6 + u * -6)
-45 + 3u = (36 + -6u)

Solving
-45 + 3u = 36 + -6u

Solving for variable 'u'.

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

Add '6u' to each side of the equation.
-45 + 3u + 6u = 36 + -6u + 6u

Combine like terms: 3u + 6u = 9u
-45 + 9u = 36 + -6u + 6u

Combine like terms: -6u + 6u = 0
-45 + 9u = 36 + 0
-45 + 9u = 36

Add '45' to each side of the equation.
-45 + 45 + 9u = 36 + 45

Combine like terms: -45 + 45 = 0
0 + 9u = 36 + 45
9u = 36 + 45

Combine like terms: 36 + 45 = 81
9u = 81

Divide each side by '9'.
u = 9

Simplifying
u = 9

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