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Simplifying 5r2 + 8s + 16r2 = 0 Reorder the terms: 5r2 + 16r2 + 8s = 0 Combine like terms: 5r2 + 16r2 = 21r2 21r2 + 8s = 0 Solving 21r2 + 8s = 0 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-8s' to each side of the equation. 21r2 + 8s + -8s = 0 + -8s Combine like terms: 8s + -8s = 0 21r2 + 0 = 0 + -8s 21r2 = 0 + -8s Remove the zero: 21r2 = -8s Divide each side by '21'. r2 = -0.380952381s Simplifying r2 = -0.380952381s Combine like terms: -0.380952381s + 0.380952381s = 0.000000000 r2 + 0.380952381s = 0.000000000 The solution to this equation could not be determined.
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