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Simplifying -27 = -4r + -1(17) Multiply -1 * 17 -27 = -4r + -17 Reorder the terms: -27 = -17 + -4r Solving -27 = -17 + -4r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '4r' to each side of the equation. -27 + 4r = -17 + -4r + 4r Combine like terms: -4r + 4r = 0 -27 + 4r = -17 + 0 -27 + 4r = -17 Add '27' to each side of the equation. -27 + 27 + 4r = -17 + 27 Combine like terms: -27 + 27 = 0 0 + 4r = -17 + 27 4r = -17 + 27 Combine like terms: -17 + 27 = 10 4r = 10 Divide each side by '4'. r = 2.5 Simplifying r = 2.5
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