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Simplifying 8r + 2(8 + -7r) = -6r + -28 8r + (8 * 2 + -7r * 2) = -6r + -28 8r + (16 + -14r) = -6r + -28 Reorder the terms: 16 + 8r + -14r = -6r + -28 Combine like terms: 8r + -14r = -6r 16 + -6r = -6r + -28 Reorder the terms: 16 + -6r = -28 + -6r Add '6r' to each side of the equation. 16 + -6r + 6r = -28 + -6r + 6r Combine like terms: -6r + 6r = 0 16 + 0 = -28 + -6r + 6r 16 = -28 + -6r + 6r Combine like terms: -6r + 6r = 0 16 = -28 + 0 16 = -28 Solving 16 = -28 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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