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Simplifying 8r + -1r + 3 = 7r + 4 Reorder the terms: 3 + 8r + -1r = 7r + 4 Combine like terms: 8r + -1r = 7r 3 + 7r = 7r + 4 Reorder the terms: 3 + 7r = 4 + 7r Add '-7r' to each side of the equation. 3 + 7r + -7r = 4 + 7r + -7r Combine like terms: 7r + -7r = 0 3 + 0 = 4 + 7r + -7r 3 = 4 + 7r + -7r Combine like terms: 7r + -7r = 0 3 = 4 + 0 3 = 4 Solving 3 = 4 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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