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Simplifying -6(r + 3) = 2r Reorder the terms: -6(3 + r) = 2r (3 * -6 + r * -6) = 2r (-18 + -6r) = 2r Solving -18 + -6r = 2r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-2r' to each side of the equation. -18 + -6r + -2r = 2r + -2r Combine like terms: -6r + -2r = -8r -18 + -8r = 2r + -2r Combine like terms: 2r + -2r = 0 -18 + -8r = 0 Add '18' to each side of the equation. -18 + 18 + -8r = 0 + 18 Combine like terms: -18 + 18 = 0 0 + -8r = 0 + 18 -8r = 0 + 18 Combine like terms: 0 + 18 = 18 -8r = 18 Divide each side by '-8'. r = -2.25 Simplifying r = -2.25
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