8-7n+4n=13-65

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Solution for 8-7n+4n=13-65 equation: 


Simplifying
8 + -7n + 4n = 13 + -65

Combine like terms: -7n + 4n = -3n
8 + -3n = 13 + -65

Combine like terms: 13 + -65 = -52
8 + -3n = -52

Solving
8 + -3n = -52

Solving for variable 'n'.

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

Add '-8' to each side of the equation.
8 + -8 + -3n = -52 + -8

Combine like terms: 8 + -8 = 0
0 + -3n = -52 + -8
-3n = -52 + -8

Combine like terms: -52 + -8 = -60
-3n = -60

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

Simplifying
n = 20

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