45-12=l

Solution for 45-12=l equation:

Simplifying
45 + -12 = l

Combine like terms: 45 + -12 = 33
33 = l

Solving
33 = l

Solving for variable 'l'.

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

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

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

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

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

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

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

Simplifying
l = 33