3u+28=-5(u-4)

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Solution for 3u+28=-5(u-4) equation:


Simplifying
3u + 28 = -5(u + -4)

Reorder the terms:
28 + 3u = -5(u + -4)

Reorder the terms:
28 + 3u = -5(-4 + u)
28 + 3u = (-4 * -5 + u * -5)
28 + 3u = (20 + -5u)

Solving
28 + 3u = 20 + -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.
28 + 3u + 5u = 20 + -5u + 5u

Combine like terms: 3u + 5u = 8u
28 + 8u = 20 + -5u + 5u

Combine like terms: -5u + 5u = 0
28 + 8u = 20 + 0
28 + 8u = 20

Add '-28' to each side of the equation.
28 + -28 + 8u = 20 + -28

Combine like terms: 28 + -28 = 0
0 + 8u = 20 + -28
8u = 20 + -28

Combine like terms: 20 + -28 = -8
8u = -8

Divide each side by '8'.
u = -1

Simplifying
u = -1

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