3(5r-6)-20=

Solution for 3(5r-6)-20= equation:

Simplifying
3(5r + -6) + -20 = 0

Reorder the terms:
3(-6 + 5r) + -20 = 0
(-6 * 3 + 5r * 3) + -20 = 0
(-18 + 15r) + -20 = 0

Reorder the terms:
-18 + -20 + 15r = 0

Combine like terms: -18 + -20 = -38
-38 + 15r = 0

Solving
-38 + 15r = 0

Solving for variable 'r'.

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

Add '38' to each side of the equation.
-38 + 38 + 15r = 0 + 38

Combine like terms: -38 + 38 = 0
0 + 15r = 0 + 38
15r = 0 + 38

Combine like terms: 0 + 38 = 38
15r = 38

Divide each side by '15'.
r = 2.533333333

Simplifying
r = 2.533333333