159.3864=2*3.14*r^3+2*3.14*r*6.7

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Solution for 159.3864=2*3.14*r^3+2*3.14*r*6.7 equation: 


Simplifying
159.3864 = 2 * 3.14r3 + 2 * 3.14r * 6.7

Multiply 2 * 3.14
159.3864 = 6.28r3 + 2 * 3.14r * 6.7

Reorder the terms for easier multiplication:
159.3864 = 6.28r3 + 2 * 3.14 * 6.7r

Multiply 2 * 3.14
159.3864 = 6.28r3 + 6.28 * 6.7r

Multiply 6.28 * 6.7
159.3864 = 6.28r3 + 42.076r

Reorder the terms:
159.3864 = 42.076r + 6.28r3

Solving
159.3864 = 42.076r + 6.28r3

Solving for variable 'r'.

Reorder the terms:
159.3864 + -42.076r + -6.28r3 = 42.076r + -42.076r + 6.28r3 + -6.28r3

Combine like terms: 42.076r + -42.076r = 0.000
159.3864 + -42.076r + -6.28r3 = 0.000 + 6.28r3 + -6.28r3
159.3864 + -42.076r + -6.28r3 = 6.28r3 + -6.28r3

Combine like terms: 6.28r3 + -6.28r3 = 0.00
159.3864 + -42.076r + -6.28r3 = 0.00

The solution to this equation could not be determined.

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