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Simplifying 6(2 + -7r) = -27 (2 * 6 + -7r * 6) = -27 (12 + -42r) = -27 Solving 12 + -42r = -27 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + -42r = -27 + -12 Combine like terms: 12 + -12 = 0 0 + -42r = -27 + -12 -42r = -27 + -12 Combine like terms: -27 + -12 = -39 -42r = -39 Divide each side by '-42'. r = 0.9285714286 Simplifying r = 0.9285714286
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