(9r-33)-(3r-6)=

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Solution for (9r-33)-(3r-6)= equation:


Simplifying
(9r + -33) + -1(3r + -6) = 0

Reorder the terms:
(-33 + 9r) + -1(3r + -6) = 0

Remove parenthesis around (-33 + 9r)
-33 + 9r + -1(3r + -6) = 0

Reorder the terms:
-33 + 9r + -1(-6 + 3r) = 0
-33 + 9r + (-6 * -1 + 3r * -1) = 0
-33 + 9r + (6 + -3r) = 0

Reorder the terms:
-33 + 6 + 9r + -3r = 0

Combine like terms: -33 + 6 = -27
-27 + 9r + -3r = 0

Combine like terms: 9r + -3r = 6r
-27 + 6r = 0

Solving
-27 + 6r = 0

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 + 27 + 6r = 0 + 27

Combine like terms: -27 + 27 = 0
0 + 6r = 0 + 27
6r = 0 + 27

Combine like terms: 0 + 27 = 27
6r = 27

Divide each side by '6'.
r = 4.5

Simplifying
r = 4.5

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