28-8u=8-u

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Solution for 28-8u=8-u equation:


Simplifying
28 + -8u = 8 + -1u

Solving
28 + -8u = 8 + -1u

Solving for variable 'u'.

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

Add 'u' to each side of the equation.
28 + -8u + u = 8 + -1u + u

Combine like terms: -8u + u = -7u
28 + -7u = 8 + -1u + u

Combine like terms: -1u + u = 0
28 + -7u = 8 + 0
28 + -7u = 8

Add '-28' to each side of the equation.
28 + -28 + -7u = 8 + -28

Combine like terms: 28 + -28 = 0
0 + -7u = 8 + -28
-7u = 8 + -28

Combine like terms: 8 + -28 = -20
-7u = -20

Divide each side by '-7'.
u = 2.857142857

Simplifying
u = 2.857142857

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