60-2(37+2n-3)=-20

Solution for 60-2(37+2n-3)=-20 equation:

Simplifying
60 + -2(37 + 2n + -3) = -20

Reorder the terms:
60 + -2(37 + -3 + 2n) = -20

Combine like terms: 37 + -3 = 34
60 + -2(34 + 2n) = -20
60 + (34 * -2 + 2n * -2) = -20
60 + (-68 + -4n) = -20

Combine like terms: 60 + -68 = -8
-8 + -4n = -20

Solving
-8 + -4n = -20

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 + -4n = -20 + 8

Combine like terms: -8 + 8 = 0
0 + -4n = -20 + 8
-4n = -20 + 8

Combine like terms: -20 + 8 = -12
-4n = -12

Divide each side by '-4'.
n = 3

Simplifying
n = 3