15.42=3.14r

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Solution for 15.42=3.14r equation: 


Simplifying
15.42 = 3.14r

Solving
15.42 = 3.14r

Solving for variable 'r'.

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

Add '-3.14r' to each side of the equation.
15.42 + -3.14r = 3.14r + -3.14r

Combine like terms: 3.14r + -3.14r = 0.00
15.42 + -3.14r = 0.00

Add '-15.42' to each side of the equation.
15.42 + -15.42 + -3.14r = 0.00 + -15.42

Combine like terms: 15.42 + -15.42 = 0.00
0.00 + -3.14r = 0.00 + -15.42
-3.14r = 0.00 + -15.42

Combine like terms: 0.00 + -15.42 = -15.42
-3.14r = -15.42

Divide each side by '-3.14'.
r = 4.910828025

Simplifying
r = 4.910828025

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