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Simplifying 3r + -7 = 0 Reorder the terms: -7 + 3r = 0 Solving -7 + 3r = 0 Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + 3r = 0 + 7 Combine like terms: -7 + 7 = 0 0 + 3r = 0 + 7 3r = 0 + 7 Combine like terms: 0 + 7 = 7 3r = 7 Divide each side by '3'. r = 2.333333333 Simplifying r = 2.333333333
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