-5u+20=-8(u-1)

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Solution for -5u+20=-8(u-1) equation:


Simplifying
-5u + 20 = -8(u + -1)

Reorder the terms:
20 + -5u = -8(u + -1)

Reorder the terms:
20 + -5u = -8(-1 + u)
20 + -5u = (-1 * -8 + u * -8)
20 + -5u = (8 + -8u)

Solving
20 + -5u = 8 + -8u

Solving for variable 'u'.

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

Add '8u' to each side of the equation.
20 + -5u + 8u = 8 + -8u + 8u

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

Combine like terms: -8u + 8u = 0
20 + 3u = 8 + 0
20 + 3u = 8

Add '-20' to each side of the equation.
20 + -20 + 3u = 8 + -20

Combine like terms: 20 + -20 = 0
0 + 3u = 8 + -20
3u = 8 + -20

Combine like terms: 8 + -20 = -12
3u = -12

Divide each side by '3'.
u = -4

Simplifying
u = -4

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