4n+5n+15=5n+u

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Solution for 4n+5n+15=5n+u equation:


Simplifying
4n + 5n + 15 = 5n + u

Reorder the terms:
15 + 4n + 5n = 5n + u

Combine like terms: 4n + 5n = 9n
15 + 9n = 5n + u

Solving
15 + 9n = 5n + u

Solving for variable 'n'.

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

Add '-5n' to each side of the equation.
15 + 9n + -5n = 5n + -5n + u

Combine like terms: 9n + -5n = 4n
15 + 4n = 5n + -5n + u

Combine like terms: 5n + -5n = 0
15 + 4n = 0 + u
15 + 4n = u

Add '-15' to each side of the equation.
15 + -15 + 4n = -15 + u

Combine like terms: 15 + -15 = 0
0 + 4n = -15 + u
4n = -15 + u

Divide each side by '4'.
n = -3.75 + 0.25u

Simplifying
n = -3.75 + 0.25u

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