1n+3=4n-12

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Solution for 1n+3=4n-12 equation:


Simplifying
1n + 3 = 4n + -12

Reorder the terms:
3 + 1n = 4n + -12

Reorder the terms:
3 + 1n = -12 + 4n

Solving
3 + 1n = -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.
3 + 1n + -4n = -12 + 4n + -4n

Combine like terms: 1n + -4n = -3n
3 + -3n = -12 + 4n + -4n

Combine like terms: 4n + -4n = 0
3 + -3n = -12 + 0
3 + -3n = -12

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

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

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

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

Simplifying
n = 5

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