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Simplifying -4(r + 7) = -65 Reorder the terms: -4(7 + r) = -65 (7 * -4 + r * -4) = -65 (-28 + -4r) = -65 Solving -28 + -4r = -65 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '28' to each side of the equation. -28 + 28 + -4r = -65 + 28 Combine like terms: -28 + 28 = 0 0 + -4r = -65 + 28 -4r = -65 + 28 Combine like terms: -65 + 28 = -37 -4r = -37 Divide each side by '-4'. r = 9.25 Simplifying r = 9.25
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