-300=60r

Solution for -300=60r equation:

Simplifying
-300 = 60r

Solving
-300 = 60r

Solving for variable 'r'.

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

Add '-60r' to each side of the equation.
-300 + -60r = 60r + -60r

Combine like terms: 60r + -60r = 0
-300 + -60r = 0

Add '300' to each side of the equation.
-300 + 300 + -60r = 0 + 300

Combine like terms: -300 + 300 = 0
0 + -60r = 0 + 300
-60r = 0 + 300

Combine like terms: 0 + 300 = 300
-60r = 300

Divide each side by '-60'.
r = -5

Simplifying
r = -5