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Simplifying 7(r + 7) = 58 + 7r Reorder the terms: 7(7 + r) = 58 + 7r (7 * 7 + r * 7) = 58 + 7r (49 + 7r) = 58 + 7r Add '-7r' to each side of the equation. 49 + 7r + -7r = 58 + 7r + -7r Combine like terms: 7r + -7r = 0 49 + 0 = 58 + 7r + -7r 49 = 58 + 7r + -7r Combine like terms: 7r + -7r = 0 49 = 58 + 0 49 = 58 Solving 49 = 58 Couldn't find a variable to solve for. This equation is invalid, the left and right sides are not equal, therefore there is no solution.
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