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Simplifying 12 + 8r = 6 + -10r Solving 12 + 8r = 6 + -10r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '10r' to each side of the equation. 12 + 8r + 10r = 6 + -10r + 10r Combine like terms: 8r + 10r = 18r 12 + 18r = 6 + -10r + 10r Combine like terms: -10r + 10r = 0 12 + 18r = 6 + 0 12 + 18r = 6 Add '-12' to each side of the equation. 12 + -12 + 18r = 6 + -12 Combine like terms: 12 + -12 = 0 0 + 18r = 6 + -12 18r = 6 + -12 Combine like terms: 6 + -12 = -6 18r = -6 Divide each side by '18'. r = -0.3333333333 Simplifying r = -0.3333333333
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