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