3(r+12.25)-9.2=3.31

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Solution for 3(r+12.25)-9.2=3.31 equation: 


Simplifying
3(r + 12.25) + -9.2 = 3.31

Reorder the terms:
3(12.25 + r) + -9.2 = 3.31
(12.25 * 3 + r * 3) + -9.2 = 3.31
(36.75 + 3r) + -9.2 = 3.31

Reorder the terms:
36.75 + -9.2 + 3r = 3.31

Combine like terms: 36.75 + -9.2 = 27.55
27.55 + 3r = 3.31

Solving
27.55 + 3r = 3.31

Solving for variable 'r'.

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

Add '-27.55' to each side of the equation.
27.55 + -27.55 + 3r = 3.31 + -27.55

Combine like terms: 27.55 + -27.55 = 0.00
0.00 + 3r = 3.31 + -27.55
3r = 3.31 + -27.55

Combine like terms: 3.31 + -27.55 = -24.24
3r = -24.24

Divide each side by '3'.
r = -8.08

Simplifying
r = -8.08

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