3*(6-u)+4*(2u+5)=3*(u-8)

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Solution for 3*(6-u)+4*(2u+5)=3*(u-8) equation:


Simplifying
3(6 + -1u) + 4(2u + 5) = 3(u + -8)
(6 * 3 + -1u * 3) + 4(2u + 5) = 3(u + -8)
(18 + -3u) + 4(2u + 5) = 3(u + -8)

Reorder the terms:
18 + -3u + 4(5 + 2u) = 3(u + -8)
18 + -3u + (5 * 4 + 2u * 4) = 3(u + -8)
18 + -3u + (20 + 8u) = 3(u + -8)

Reorder the terms:
18 + 20 + -3u + 8u = 3(u + -8)

Combine like terms: 18 + 20 = 38
38 + -3u + 8u = 3(u + -8)

Combine like terms: -3u + 8u = 5u
38 + 5u = 3(u + -8)

Reorder the terms:
38 + 5u = 3(-8 + u)
38 + 5u = (-8 * 3 + u * 3)
38 + 5u = (-24 + 3u)

Solving
38 + 5u = -24 + 3u

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.
38 + 5u + -3u = -24 + 3u + -3u

Combine like terms: 5u + -3u = 2u
38 + 2u = -24 + 3u + -3u

Combine like terms: 3u + -3u = 0
38 + 2u = -24 + 0
38 + 2u = -24

Add '-38' to each side of the equation.
38 + -38 + 2u = -24 + -38

Combine like terms: 38 + -38 = 0
0 + 2u = -24 + -38
2u = -24 + -38

Combine like terms: -24 + -38 = -62
2u = -62

Divide each side by '2'.
u = -31

Simplifying
u = -31

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