9=15-2n

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Solution for 9=15-2n equation:


Simplifying
9 = 15 + -2n

Solving
9 = 15 + -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.
9 + 2n = 15 + -2n + 2n

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

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

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

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

Divide each side by '2'.
n = 3

Simplifying
n = 3

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