3n+5=4n+12

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Solution for 3n+5=4n+12 equation:


Simplifying
3n + 5 = 4n + 12

Reorder the terms:
5 + 3n = 4n + 12

Reorder the terms:
5 + 3n = 12 + 4n

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

Combine like terms: 3n + -4n = -1n
5 + -1n = 12 + 4n + -4n

Combine like terms: 4n + -4n = 0
5 + -1n = 12 + 0
5 + -1n = 12

Add '-5' to each side of the equation.
5 + -5 + -1n = 12 + -5

Combine like terms: 5 + -5 = 0
0 + -1n = 12 + -5
-1n = 12 + -5

Combine like terms: 12 + -5 = 7
-1n = 7

Divide each side by '-1'.
n = -7

Simplifying
n = -7

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