4=-8u+5(u+2)

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


Simplifying
4 = -8u + 5(u + 2)

Reorder the terms:
4 = -8u + 5(2 + u)
4 = -8u + (2 * 5 + u * 5)
4 = -8u + (10 + 5u)

Reorder the terms:
4 = 10 + -8u + 5u

Combine like terms: -8u + 5u = -3u
4 = 10 + -3u

Solving
4 = 10 + -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.
4 + 3u = 10 + -3u + 3u

Combine like terms: -3u + 3u = 0
4 + 3u = 10 + 0
4 + 3u = 10

Add '-4' to each side of the equation.
4 + -4 + 3u = 10 + -4

Combine like terms: 4 + -4 = 0
0 + 3u = 10 + -4
3u = 10 + -4

Combine like terms: 10 + -4 = 6
3u = 6

Divide each side by '3'.
u = 2

Simplifying
u = 2

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