45=2(3.14)r

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Solution for 45=2(3.14)r equation:


Simplifying
45 = 2(3.14) * r

Multiply 2 * 3.14
45 = 6.28r

Solving
45 = 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.
45 + -6.28r = 6.28r + -6.28r

Combine like terms: 6.28r + -6.28r = 0.00
45 + -6.28r = 0.00

Add '-45' to each side of the equation.
45 + -45 + -6.28r = 0.00 + -45

Combine like terms: 45 + -45 = 0
0 + -6.28r = 0.00 + -45
-6.28r = 0.00 + -45

Combine like terms: 0.00 + -45 = -45
-6.28r = -45

Divide each side by '-6.28'.
r = 7.165605096

Simplifying
r = 7.165605096

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