4=-8u+3(u+8)

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Solution for 4=-8u+3(u+8) equation: 


Simplifying
4 = -8u + 3(u + 8)

Reorder the terms:
4 = -8u + 3(8 + u)
4 = -8u + (8 * 3 + u * 3)
4 = -8u + (24 + 3u)

Reorder the terms:
4 = 24 + -8u + 3u

Combine like terms: -8u + 3u = -5u
4 = 24 + -5u

Solving
4 = 24 + -5u

Solving for variable 'u'.

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

Add '5u' to each side of the equation.
4 + 5u = 24 + -5u + 5u

Combine like terms: -5u + 5u = 0
4 + 5u = 24 + 0
4 + 5u = 24

Add '-4' to each side of the equation.
4 + -4 + 5u = 24 + -4

Combine like terms: 4 + -4 = 0
0 + 5u = 24 + -4
5u = 24 + -4

Combine like terms: 24 + -4 = 20
5u = 20

Divide each side by '5'.
u = 4

Simplifying
u = 4

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