5=5(u+4)-8u

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Solution for 5=5(u+4)-8u equation:


Simplifying
5 = 5(u + 4) + -8u

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

Combine like terms: 5u + -8u = -3u
5 = 20 + -3u

Solving
5 = 20 + -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.
5 + 3u = 20 + -3u + 3u

Combine like terms: -3u + 3u = 0
5 + 3u = 20 + 0
5 + 3u = 20

Add '-5' to each side of the equation.
5 + -5 + 3u = 20 + -5

Combine like terms: 5 + -5 = 0
0 + 3u = 20 + -5
3u = 20 + -5

Combine like terms: 20 + -5 = 15
3u = 15

Divide each side by '3'.
u = 5

Simplifying
u = 5

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