78+n=3n-40

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Solution for 78+n=3n-40 equation:


Simplifying
78 + n = 3n + -40

Reorder the terms:
78 + n = -40 + 3n

Solving
78 + n = -40 + 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.
78 + n + -3n = -40 + 3n + -3n

Combine like terms: n + -3n = -2n
78 + -2n = -40 + 3n + -3n

Combine like terms: 3n + -3n = 0
78 + -2n = -40 + 0
78 + -2n = -40

Add '-78' to each side of the equation.
78 + -78 + -2n = -40 + -78

Combine like terms: 78 + -78 = 0
0 + -2n = -40 + -78
-2n = -40 + -78

Combine like terms: -40 + -78 = -118
-2n = -118

Divide each side by '-2'.
n = 59

Simplifying
n = 59

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