-28=2u+8-5u

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Solution for -28=2u+8-5u equation: 


Simplifying
-28 = 2u + 8 + -5u

Reorder the terms:
-28 = 8 + 2u + -5u

Combine like terms: 2u + -5u = -3u
-28 = 8 + -3u

Solving
-28 = 8 + -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.
-28 + 3u = 8 + -3u + 3u

Combine like terms: -3u + 3u = 0
-28 + 3u = 8 + 0
-28 + 3u = 8

Add '28' to each side of the equation.
-28 + 28 + 3u = 8 + 28

Combine like terms: -28 + 28 = 0
0 + 3u = 8 + 28
3u = 8 + 28

Combine like terms: 8 + 28 = 36
3u = 36

Divide each side by '3'.
u = 12

Simplifying
u = 12

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