7+12r=31

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Solution for 7+12r=31 equation: 


Simplifying
7 + 12r = 31

Solving
7 + 12r = 31

Solving for variable 'r'.

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

Add '-7' to each side of the equation.
7 + -7 + 12r = 31 + -7

Combine like terms: 7 + -7 = 0
0 + 12r = 31 + -7
12r = 31 + -7

Combine like terms: 31 + -7 = 24
12r = 24

Divide each side by '12'.
r = 2

Simplifying
r = 2

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