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Simplifying -2 = -2(2r + 3) Reorder the terms: -2 = -2(3 + 2r) -2 = (3 * -2 + 2r * -2) -2 = (-6 + -4r) Solving -2 = -6 + -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. -2 + 4r = -6 + -4r + 4r Combine like terms: -4r + 4r = 0 -2 + 4r = -6 + 0 -2 + 4r = -6 Add '2' to each side of the equation. -2 + 2 + 4r = -6 + 2 Combine like terms: -2 + 2 = 0 0 + 4r = -6 + 2 4r = -6 + 2 Combine like terms: -6 + 2 = -4 4r = -4 Divide each side by '4'. r = -1 Simplifying r = -1
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