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Simplifying 30 = -0.02r Solving 30 = -0.02r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '0.02r' to each side of the equation. 30 + 0.02r = -0.02r + 0.02r Combine like terms: -0.02r + 0.02r = 0.00 30 + 0.02r = 0.00 Add '-30' to each side of the equation. 30 + -30 + 0.02r = 0.00 + -30 Combine like terms: 30 + -30 = 0 0 + 0.02r = 0.00 + -30 0.02r = 0.00 + -30 Combine like terms: 0.00 + -30 = -30 0.02r = -30 Divide each side by '0.02'. r = -1500 Simplifying r = -1500
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