5-7n+4n=31-86

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Solution for 5-7n+4n=31-86 equation:


Simplifying
5 + -7n + 4n = 31 + -86

Combine like terms: -7n + 4n = -3n
5 + -3n = 31 + -86

Combine like terms: 31 + -86 = -55
5 + -3n = -55

Solving
5 + -3n = -55

Solving for variable 'n'.

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

Add '-5' to each side of the equation.
5 + -5 + -3n = -55 + -5

Combine like terms: 5 + -5 = 0
0 + -3n = -55 + -5
-3n = -55 + -5

Combine like terms: -55 + -5 = -60
-3n = -60

Divide each side by '-3'.
n = 20

Simplifying
n = 20

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