-300=-20p

Solution for -300=-20p equation:

Simplifying
-300 = -20p

Solving
-300 = -20p

Solving for variable 'p'.

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

Add '20p' to each side of the equation.
-300 + 20p = -20p + 20p

Combine like terms: -20p + 20p = 0
-300 + 20p = 0

Add '300' to each side of the equation.
-300 + 300 + 20p = 0 + 300

Combine like terms: -300 + 300 = 0
0 + 20p = 0 + 300
20p = 0 + 300

Combine like terms: 0 + 300 = 300
20p = 300

Divide each side by '20'.
p = 15

Simplifying
p = 15