3u-15=-6(u-5)

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Solution for 3u-15=-6(u-5) equation:


Simplifying
3u + -15 = -6(u + -5)

Reorder the terms:
-15 + 3u = -6(u + -5)

Reorder the terms:
-15 + 3u = -6(-5 + u)
-15 + 3u = (-5 * -6 + u * -6)
-15 + 3u = (30 + -6u)

Solving
-15 + 3u = 30 + -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.
-15 + 3u + 6u = 30 + -6u + 6u

Combine like terms: 3u + 6u = 9u
-15 + 9u = 30 + -6u + 6u

Combine like terms: -6u + 6u = 0
-15 + 9u = 30 + 0
-15 + 9u = 30

Add '15' to each side of the equation.
-15 + 15 + 9u = 30 + 15

Combine like terms: -15 + 15 = 0
0 + 9u = 30 + 15
9u = 30 + 15

Combine like terms: 30 + 15 = 45
9u = 45

Divide each side by '9'.
u = 5

Simplifying
u = 5

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