9n+5=4n+20

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Solution for 9n+5=4n+20 equation:


Simplifying
9n + 5 = 4n + 20

Reorder the terms:
5 + 9n = 4n + 20

Reorder the terms:
5 + 9n = 20 + 4n

Solving
5 + 9n = 20 + 4n

Solving for variable 'n'.

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

Add '-4n' to each side of the equation.
5 + 9n + -4n = 20 + 4n + -4n

Combine like terms: 9n + -4n = 5n
5 + 5n = 20 + 4n + -4n

Combine like terms: 4n + -4n = 0
5 + 5n = 20 + 0
5 + 5n = 20

Add '-5' to each side of the equation.
5 + -5 + 5n = 20 + -5

Combine like terms: 5 + -5 = 0
0 + 5n = 20 + -5
5n = 20 + -5

Combine like terms: 20 + -5 = 15
5n = 15

Divide each side by '5'.
n = 3

Simplifying
n = 3

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