72=g-20

Solution for 72=g-20 equation:

Simplifying
72 = g + -20

Reorder the terms:
72 = -20 + g

Solving
72 = -20 + g

Solving for variable 'g'.

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

Add '-1g' to each side of the equation.
72 + -1g = -20 + g + -1g

Combine like terms: g + -1g = 0
72 + -1g = -20 + 0
72 + -1g = -20

Add '-72' to each side of the equation.
72 + -72 + -1g = -20 + -72

Combine like terms: 72 + -72 = 0
0 + -1g = -20 + -72
-1g = -20 + -72

Combine like terms: -20 + -72 = -92
-1g = -92

Divide each side by '-1'.
g = 92

Simplifying
g = 92