73-40=s

Solution for 73-40=s equation:

Simplifying
73 + -40 = s

Combine like terms: 73 + -40 = 33
33 = s

Solving
33 = s

Solving for variable 's'.

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

Add '-1s' to each side of the equation.
33 + -1s = s + -1s

Combine like terms: s + -1s = 0
33 + -1s = 0

Add '-33' to each side of the equation.
33 + -33 + -1s = 0 + -33

Combine like terms: 33 + -33 = 0
0 + -1s = 0 + -33
-1s = 0 + -33

Combine like terms: 0 + -33 = -33
-1s = -33

Divide each side by '-1'.
s = 33

Simplifying
s = 33