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Simplifying -13 = -4 + 50 + 0.50r Combine like terms: -4 + 50 = 46 -13 = 46 + 0.50r Solving -13 = 46 + 0.50r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-0.50r' to each side of the equation. -13 + -0.50r = 46 + 0.50r + -0.50r Combine like terms: 0.50r + -0.50r = 0.00 -13 + -0.50r = 46 + 0.00 -13 + -0.50r = 46 Add '13' to each side of the equation. -13 + 13 + -0.50r = 46 + 13 Combine like terms: -13 + 13 = 0 0 + -0.50r = 46 + 13 -0.50r = 46 + 13 Combine like terms: 46 + 13 = 59 -0.50r = 59 Divide each side by '-0.50'. r = -118 Simplifying r = -118
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