12-9n=8-4n

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Solution for 12-9n=8-4n equation:


Simplifying
12 + -9n = 8 + -4n

Solving
12 + -9n = 8 + -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.
12 + -9n + 4n = 8 + -4n + 4n

Combine like terms: -9n + 4n = -5n
12 + -5n = 8 + -4n + 4n

Combine like terms: -4n + 4n = 0
12 + -5n = 8 + 0
12 + -5n = 8

Add '-12' to each side of the equation.
12 + -12 + -5n = 8 + -12

Combine like terms: 12 + -12 = 0
0 + -5n = 8 + -12
-5n = 8 + -12

Combine like terms: 8 + -12 = -4
-5n = -4

Divide each side by '-5'.
n = 0.8

Simplifying
n = 0.8

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