9=6.28r

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Solution for 9=6.28r equation:


Simplifying
9 = 6.28r

Solving
9 = 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.
9 + -6.28r = 6.28r + -6.28r

Combine like terms: 6.28r + -6.28r = 0.00
9 + -6.28r = 0.00

Add '-9' to each side of the equation.
9 + -9 + -6.28r = 0.00 + -9

Combine like terms: 9 + -9 = 0
0 + -6.28r = 0.00 + -9
-6.28r = 0.00 + -9

Combine like terms: 0.00 + -9 = -9
-6.28r = -9

Divide each side by '-6.28'.
r = 1.433121019

Simplifying
r = 1.433121019

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