15+4n=2n+9

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Solution for 15+4n=2n+9 equation:


Simplifying
15 + 4n = 2n + 9

Reorder the terms:
15 + 4n = 9 + 2n

Solving
15 + 4n = 9 + 2n

Solving for variable 'n'.

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

Add '-2n' to each side of the equation.
15 + 4n + -2n = 9 + 2n + -2n

Combine like terms: 4n + -2n = 2n
15 + 2n = 9 + 2n + -2n

Combine like terms: 2n + -2n = 0
15 + 2n = 9 + 0
15 + 2n = 9

Add '-15' to each side of the equation.
15 + -15 + 2n = 9 + -15

Combine like terms: 15 + -15 = 0
0 + 2n = 9 + -15
2n = 9 + -15

Combine like terms: 9 + -15 = -6
2n = -6

Divide each side by '2'.
n = -3

Simplifying
n = -3

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