(R-9)3-12=33

Solution for (R-9)3-12=33 equation:

Simplifying
(R + -9) * 3 + -12 = 33

Reorder the terms:
(-9 + R) * 3 + -12 = 33

Reorder the terms for easier multiplication:
3(-9 + R) + -12 = 33
(-9 * 3 + R * 3) + -12 = 33
(-27 + 3R) + -12 = 33

Reorder the terms:
-27 + -12 + 3R = 33

Combine like terms: -27 + -12 = -39
-39 + 3R = 33

Solving
-39 + 3R = 33

Solving for variable 'R'.

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

Add '39' to each side of the equation.
-39 + 39 + 3R = 33 + 39

Combine like terms: -39 + 39 = 0
0 + 3R = 33 + 39
3R = 33 + 39

Combine like terms: 33 + 39 = 72
3R = 72

Divide each side by '3'.
R = 24

Simplifying
R = 24