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Simplifying 36 + -20r = 0 Solving 36 + -20r = 0 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-36' to each side of the equation. 36 + -36 + -20r = 0 + -36 Combine like terms: 36 + -36 = 0 0 + -20r = 0 + -36 -20r = 0 + -36 Combine like terms: 0 + -36 = -36 -20r = -36 Divide each side by '-20'. r = 1.8 Simplifying r = 1.8
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