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Simplifying -49 = 7r + 7 Reorder the terms: -49 = 7 + 7r Solving -49 = 7 + 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 = 7 + 7r + -7r Combine like terms: 7r + -7r = 0 -49 + -7r = 7 + 0 -49 + -7r = 7 Add '49' to each side of the equation. -49 + 49 + -7r = 7 + 49 Combine like terms: -49 + 49 = 0 0 + -7r = 7 + 49 -7r = 7 + 49 Combine like terms: 7 + 49 = 56 -7r = 56 Divide each side by '-7'. r = -8 Simplifying r = -8
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