5u+28=9u

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Solution for 5u+28=9u equation:


Simplifying
5u + 28 = 9u

Reorder the terms:
28 + 5u = 9u

Solving
28 + 5u = 9u

Solving for variable 'u'.

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

Add '-9u' to each side of the equation.
28 + 5u + -9u = 9u + -9u

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

Combine like terms: 9u + -9u = 0
28 + -4u = 0

Add '-28' to each side of the equation.
28 + -28 + -4u = 0 + -28

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

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

Divide each side by '-4'.
u = 7

Simplifying
u = 7

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