28=-9u-8+5u

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Solution for 28=-9u-8+5u equation:


Simplifying
28 = -9u + -8 + 5u

Reorder the terms:
28 = -8 + -9u + 5u

Combine like terms: -9u + 5u = -4u
28 = -8 + -4u

Solving
28 = -8 + -4u

Solving for variable 'u'.

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

Add '4u' to each side of the equation.
28 + 4u = -8 + -4u + 4u

Combine like terms: -4u + 4u = 0
28 + 4u = -8 + 0
28 + 4u = -8

Add '-28' to each side of the equation.
28 + -28 + 4u = -8 + -28

Combine like terms: 28 + -28 = 0
0 + 4u = -8 + -28
4u = -8 + -28

Combine like terms: -8 + -28 = -36
4u = -36

Divide each side by '4'.
u = -9

Simplifying
u = -9

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