1.33(12-3r)+31-12r-17=

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Solution for 1.33(12-3r)+31-12r-17= equation: 


Simplifying
1.33(12 + -3r) + 31 + -12r + -17 = 0
(12 * 1.33 + -3r * 1.33) + 31 + -12r + -17 = 0
(15.96 + -3.99r) + 31 + -12r + -17 = 0

Reorder the terms:
15.96 + 31 + -17 + -3.99r + -12r = 0

Combine like terms: 15.96 + 31 = 46.96
46.96 + -17 + -3.99r + -12r = 0

Combine like terms: 46.96 + -17 = 29.96
29.96 + -3.99r + -12r = 0

Combine like terms: -3.99r + -12r = -15.99r
29.96 + -15.99r = 0

Solving
29.96 + -15.99r = 0

Solving for variable 'r'.

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

Add '-29.96' to each side of the equation.
29.96 + -29.96 + -15.99r = 0 + -29.96

Combine like terms: 29.96 + -29.96 = 0.00
0.00 + -15.99r = 0 + -29.96
-15.99r = 0 + -29.96

Combine like terms: 0 + -29.96 = -29.96
-15.99r = -29.96

Divide each side by '-15.99'.
r = 1.873671044

Simplifying
r = 1.873671044

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