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Simplifying -3 + -9r = 14 + -1r Solving -3 + -9r = 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. -3 + -9r + r = 14 + -1r + r Combine like terms: -9r + r = -8r -3 + -8r = 14 + -1r + r Combine like terms: -1r + r = 0 -3 + -8r = 14 + 0 -3 + -8r = 14 Add '3' to each side of the equation. -3 + 3 + -8r = 14 + 3 Combine like terms: -3 + 3 = 0 0 + -8r = 14 + 3 -8r = 14 + 3 Combine like terms: 14 + 3 = 17 -8r = 17 Divide each side by '-8'. r = -2.125 Simplifying r = -2.125
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