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Simplifying r = 0.707(6 + -1r) r = (6 * 0.707 + -1r * 0.707) r = (4.242 + -0.707r) Solving r = 4.242 + -0.707r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '0.707r' to each side of the equation. r + 0.707r = 4.242 + -0.707r + 0.707r Combine like terms: r + 0.707r = 1.707r 1.707r = 4.242 + -0.707r + 0.707r Combine like terms: -0.707r + 0.707r = 0.000 1.707r = 4.242 + 0.000 1.707r = 4.242 Divide each side by '1.707'. r = 2.485061511 Simplifying r = 2.485061511
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