21r+2=5

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Solution for 21r+2=5 equation: 


Simplifying
21r + 2 = 5

Reorder the terms:
2 + 21r = 5

Solving
2 + 21r = 5

Solving for variable 'r'.

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

Add '-2' to each side of the equation.
2 + -2 + 21r = 5 + -2

Combine like terms: 2 + -2 = 0
0 + 21r = 5 + -2
21r = 5 + -2

Combine like terms: 5 + -2 = 3
21r = 3

Divide each side by '21'.
r = 0.1428571429

Simplifying
r = 0.1428571429

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