7.74=2(3.14)(r)

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Solution for 7.74=2(3.14)(r) equation: 


Simplifying
7.74 = 2(3.14)(r)

Multiply 2 * 3.14
7.74 = 6.28r

Solving
7.74 = 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.
7.74 + -6.28r = 6.28r + -6.28r

Combine like terms: 6.28r + -6.28r = 0.00
7.74 + -6.28r = 0.00

Add '-7.74' to each side of the equation.
7.74 + -7.74 + -6.28r = 0.00 + -7.74

Combine like terms: 7.74 + -7.74 = 0.00
0.00 + -6.28r = 0.00 + -7.74
-6.28r = 0.00 + -7.74

Combine like terms: 0.00 + -7.74 = -7.74
-6.28r = -7.74

Divide each side by '-6.28'.
r = 1.232484076

Simplifying
r = 1.232484076

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