84+n=36-3n

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Solution for 84+n=36-3n equation:


Simplifying
84 + n = 36 + -3n

Solving
84 + n = 36 + -3n

Solving for variable 'n'.

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

Add '3n' to each side of the equation.
84 + n + 3n = 36 + -3n + 3n

Combine like terms: n + 3n = 4n
84 + 4n = 36 + -3n + 3n

Combine like terms: -3n + 3n = 0
84 + 4n = 36 + 0
84 + 4n = 36

Add '-84' to each side of the equation.
84 + -84 + 4n = 36 + -84

Combine like terms: 84 + -84 = 0
0 + 4n = 36 + -84
4n = 36 + -84

Combine like terms: 36 + -84 = -48
4n = -48

Divide each side by '4'.
n = -12

Simplifying
n = -12

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