-2n+20+60=42

Solution for -2n+20+60=42 equation:

Simplifying
-2n + 20 + 60 = 42

Reorder the terms:
20 + 60 + -2n = 42

Combine like terms: 20 + 60 = 80
80 + -2n = 42

Solving
80 + -2n = 42

Solving for variable 'n'.

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

Add '-80' to each side of the equation.
80 + -80 + -2n = 42 + -80

Combine like terms: 80 + -80 = 0
0 + -2n = 42 + -80
-2n = 42 + -80

Combine like terms: 42 + -80 = -38
-2n = -38

Divide each side by '-2'.
n = 19

Simplifying
n = 19