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Simplifying 5r + 2 = 42 Reorder the terms: 2 + 5r = 42 Solving 2 + 5r = 42 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '-2' to each side of the equation. 2 + -2 + 5r = 42 + -2 Combine like terms: 2 + -2 = 0 0 + 5r = 42 + -2 5r = 42 + -2 Combine like terms: 42 + -2 = 40 5r = 40 Divide each side by '5'. r = 8 Simplifying r = 8
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