18=-8u+5(u+6)

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Solution for 18=-8u+5(u+6) equation:


Simplifying
18 = -8u + 5(u + 6)

Reorder the terms:
18 = -8u + 5(6 + u)
18 = -8u + (6 * 5 + u * 5)
18 = -8u + (30 + 5u)

Reorder the terms:
18 = 30 + -8u + 5u

Combine like terms: -8u + 5u = -3u
18 = 30 + -3u

Solving
18 = 30 + -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.
18 + 3u = 30 + -3u + 3u

Combine like terms: -3u + 3u = 0
18 + 3u = 30 + 0
18 + 3u = 30

Add '-18' to each side of the equation.
18 + -18 + 3u = 30 + -18

Combine like terms: 18 + -18 = 0
0 + 3u = 30 + -18
3u = 30 + -18

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

Divide each side by '3'.
u = 4

Simplifying
u = 4

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