5u+3=18+u

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Solution for 5u+3=18+u equation:


Simplifying
5u + 3 = 18 + u

Reorder the terms:
3 + 5u = 18 + u

Solving
3 + 5u = 18 + u

Solving for variable 'u'.

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

Add '-1u' to each side of the equation.
3 + 5u + -1u = 18 + u + -1u

Combine like terms: 5u + -1u = 4u
3 + 4u = 18 + u + -1u

Combine like terms: u + -1u = 0
3 + 4u = 18 + 0
3 + 4u = 18

Add '-3' to each side of the equation.
3 + -3 + 4u = 18 + -3

Combine like terms: 3 + -3 = 0
0 + 4u = 18 + -3
4u = 18 + -3

Combine like terms: 18 + -3 = 15
4u = 15

Divide each side by '4'.
u = 3.75

Simplifying
u = 3.75

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