31+3r=35.5

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Solution for 31+3r=35.5 equation: 


Simplifying
31 + 3r = 35.5

Solving
31 + 3r = 35.5

Solving for variable 'r'.

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

Add '-31' to each side of the equation.
31 + -31 + 3r = 35.5 + -31

Combine like terms: 31 + -31 = 0
0 + 3r = 35.5 + -31
3r = 35.5 + -31

Combine like terms: 35.5 + -31 = 4.5
3r = 4.5

Divide each side by '3'.
r = 1.5

Simplifying
r = 1.5

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