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

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


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

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

Reorder the terms:
-5 = -20 + -8u + 5u

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