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 = 14u
28 = -8 + 14u

Solving
28 = -8 + 14u

Solving for variable 'u'.

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

Add '-14u' to each side of the equation.
28 + -14u = -8 + 14u + -14u

Combine like terms: 14u + -14u = 0
28 + -14u = -8 + 0
28 + -14u = -8

Add '-28' to each side of the equation.
28 + -28 + -14u = -8 + -28

Combine like terms: 28 + -28 = 0
0 + -14u = -8 + -28
-14u = -8 + -28

Combine like terms: -8 + -28 = -36
-14u = -36

Divide each side by '-14'.
u = 2.571428571

Simplifying
u = 2.571428571

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