1n+3=12-4n

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


Simplifying
1n + 3 = 12 + -4n

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 = 5n
3 + 5n = 12 + -4n + 4n

Combine like terms: -4n + 4n = 0
3 + 5n = 12 + 0
3 + 5n = 12

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

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

Combine like terms: 12 + -3 = 9
5n = 9

Divide each side by '5'.
n = 1.8

Simplifying
n = 1.8

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