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Simplifying 27 = 90r Solving 27 = 90r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-90r' to each side of the equation. 27 + -90r = 90r + -90r Combine like terms: 90r + -90r = 0 27 + -90r = 0 Add '-27' to each side of the equation. 27 + -27 + -90r = 0 + -27 Combine like terms: 27 + -27 = 0 0 + -90r = 0 + -27 -90r = 0 + -27 Combine like terms: 0 + -27 = -27 -90r = -27 Divide each side by '-90'. r = 0.3 Simplifying r = 0.3
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