12=7n-3n

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Solution for 12=7n-3n equation:


Simplifying
12 = 7n + -3n

Combine like terms: 7n + -3n = 4n
12 = 4n

Solving
12 = 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 + -4n = 4n + -4n

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

Add '-12' to each side of the equation.
12 + -12 + -4n = 0 + -12

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

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

Divide each side by '-4'.
n = 3

Simplifying
n = 3

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