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Simplifying 6(-2 + -1r) = 8r (-2 * 6 + -1r * 6) = 8r (-12 + -6r) = 8r Solving -12 + -6r = 8r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-8r' to each side of the equation. -12 + -6r + -8r = 8r + -8r Combine like terms: -6r + -8r = -14r -12 + -14r = 8r + -8r Combine like terms: 8r + -8r = 0 -12 + -14r = 0 Add '12' to each side of the equation. -12 + 12 + -14r = 0 + 12 Combine like terms: -12 + 12 = 0 0 + -14r = 0 + 12 -14r = 0 + 12 Combine like terms: 0 + 12 = 12 -14r = 12 Divide each side by '-14'. r = -0.8571428571 Simplifying r = -0.8571428571
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