12r+15=31

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Solution for 12r+15=31 equation: 


Simplifying
12r + 15 = 31

Reorder the terms:
15 + 12r = 31

Solving
15 + 12r = 31

Solving for variable 'r'.

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

Add '-15' to each side of the equation.
15 + -15 + 12r = 31 + -15

Combine like terms: 15 + -15 = 0
0 + 12r = 31 + -15
12r = 31 + -15

Combine like terms: 31 + -15 = 16
12r = 16

Divide each side by '12'.
r = 1.333333333

Simplifying
r = 1.333333333

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