19=2(3.14)r

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Solution for 19=2(3.14)r equation:


Simplifying
19 = 2(3.14) * r

Multiply 2 * 3.14
19 = 6.28r

Solving
19 = 6.28r

Solving for variable 'r'.

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

Add '-6.28r' to each side of the equation.
19 + -6.28r = 6.28r + -6.28r

Combine like terms: 6.28r + -6.28r = 0.00
19 + -6.28r = 0.00

Add '-19' to each side of the equation.
19 + -19 + -6.28r = 0.00 + -19

Combine like terms: 19 + -19 = 0
0 + -6.28r = 0.00 + -19
-6.28r = 0.00 + -19

Combine like terms: 0.00 + -19 = -19
-6.28r = -19

Divide each side by '-6.28'.
r = 3.025477707

Simplifying
r = 3.025477707

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