3(4r-5)-36=

Solution for 3(4r-5)-36= equation:

Simplifying
3(4r + -5) + -36 = 0

Reorder the terms:
3(-5 + 4r) + -36 = 0
(-5 * 3 + 4r * 3) + -36 = 0
(-15 + 12r) + -36 = 0

Reorder the terms:
-15 + -36 + 12r = 0

Combine like terms: -15 + -36 = -51
-51 + 12r = 0

Solving
-51 + 12r = 0

Solving for variable 'r'.

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

Add '51' to each side of the equation.
-51 + 51 + 12r = 0 + 51

Combine like terms: -51 + 51 = 0
0 + 12r = 0 + 51
12r = 0 + 51

Combine like terms: 0 + 51 = 51
12r = 51

Divide each side by '12'.
r = 4.25

Simplifying
r = 4.25