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Simplifying -49 = -7r Solving -49 = -7r Solving for variable 'r'. Move all terms containing r to the left, all other terms to the right. Add '7r' to each side of the equation. -49 + 7r = -7r + 7r Combine like terms: -7r + 7r = 0 -49 + 7r = 0 Add '49' to each side of the equation. -49 + 49 + 7r = 0 + 49 Combine like terms: -49 + 49 = 0 0 + 7r = 0 + 49 7r = 0 + 49 Combine like terms: 0 + 49 = 49 7r = 49 Divide each side by '7'. r = 7 Simplifying r = 7
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