6r-31=21

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Solution for 6r-31=21 equation: 


Simplifying
6r + -31 = 21

Reorder the terms:
-31 + 6r = 21

Solving
-31 + 6r = 21

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 + 6r = 21 + 31

Combine like terms: -31 + 31 = 0
0 + 6r = 21 + 31
6r = 21 + 31

Combine like terms: 21 + 31 = 52
6r = 52

Divide each side by '6'.
r = 8.666666667

Simplifying
r = 8.666666667

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