12-5n=9+2n

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Solution for 12-5n=9+2n equation:


Simplifying
12 + -5n = 9 + 2n

Solving
12 + -5n = 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.
12 + -5n + -2n = 9 + 2n + -2n

Combine like terms: -5n + -2n = -7n
12 + -7n = 9 + 2n + -2n

Combine like terms: 2n + -2n = 0
12 + -7n = 9 + 0
12 + -7n = 9

Add '-12' to each side of the equation.
12 + -12 + -7n = 9 + -12

Combine like terms: 12 + -12 = 0
0 + -7n = 9 + -12
-7n = 9 + -12

Combine like terms: 9 + -12 = -3
-7n = -3

Divide each side by '-7'.
n = 0.4285714286

Simplifying
n = 0.4285714286

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