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Simplifying 3 + -12r = 19 + -1r Solving 3 + -12r = 19 + -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 + -12r + r = 19 + -1r + r Combine like terms: -12r + r = -11r 3 + -11r = 19 + -1r + r Combine like terms: -1r + r = 0 3 + -11r = 19 + 0 3 + -11r = 19 Add '-3' to each side of the equation. 3 + -3 + -11r = 19 + -3 Combine like terms: 3 + -3 = 0 0 + -11r = 19 + -3 -11r = 19 + -3 Combine like terms: 19 + -3 = 16 -11r = 16 Divide each side by '-11'. r = -1.454545455 Simplifying r = -1.454545455
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