12=-3+n+4n

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Solution for 12=-3+n+4n equation:


Simplifying
12 = -3 + n + 4n

Combine like terms: n + 4n = 5n
12 = -3 + 5n

Solving
12 = -3 + 5n

Solving for variable 'n'.

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

Add '-5n' to each side of the equation.
12 + -5n = -3 + 5n + -5n

Combine like terms: 5n + -5n = 0
12 + -5n = -3 + 0
12 + -5n = -3

Add '-12' to each side of the equation.
12 + -12 + -5n = -3 + -12

Combine like terms: 12 + -12 = 0
0 + -5n = -3 + -12
-5n = -3 + -12

Combine like terms: -3 + -12 = -15
-5n = -15

Divide each side by '-5'.
n = 3

Simplifying
n = 3

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