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Simplifying -3(2 + 6r) = 14 + -1r (2 * -3 + 6r * -3) = 14 + -1r (-6 + -18r) = 14 + -1r Solving -6 + -18r = 14 + -1r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add 'r' to each side of the equation. -6 + -18r + r = 14 + -1r + r Combine like terms: -18r + r = -17r -6 + -17r = 14 + -1r + r Combine like terms: -1r + r = 0 -6 + -17r = 14 + 0 -6 + -17r = 14 Add '6' to each side of the equation. -6 + 6 + -17r = 14 + 6 Combine like terms: -6 + 6 = 0 0 + -17r = 14 + 6 -17r = 14 + 6 Combine like terms: 14 + 6 = 20 -17r = 20 Divide each side by '-17'. r = -1.176470588 Simplifying r = -1.176470588
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