(R-9)3-12r=33

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


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

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

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

Solving
-27 + 3R + -12r = 33

Solving for variable 'R'.

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

Add '27' to each side of the equation.
-27 + 3R + 27 + -12r = 33 + 27

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

Combine like terms: -27 + 27 = 0
0 + 3R + -12r = 33 + 27
3R + -12r = 33 + 27

Combine like terms: 33 + 27 = 60
3R + -12r = 60

Add '12r' to each side of the equation.
3R + -12r + 12r = 60 + 12r

Combine like terms: -12r + 12r = 0
3R + 0 = 60 + 12r
3R = 60 + 12r

Divide each side by '3'.
R = 20 + 4r

Simplifying
R = 20 + 4r

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