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Simplifying 7 + -7r + 2 = r + -8(r + -3) Reorder the terms: 7 + 2 + -7r = r + -8(r + -3) Combine like terms: 7 + 2 = 9 9 + -7r = r + -8(r + -3) Reorder the terms: 9 + -7r = r + -8(-3 + r) 9 + -7r = r + (-3 * -8 + r * -8) 9 + -7r = r + (24 + -8r) Reorder the terms: 9 + -7r = 24 + r + -8r Combine like terms: r + -8r = -7r 9 + -7r = 24 + -7r Add '7r' to each side of the equation. 9 + -7r + 7r = 24 + -7r + 7r Combine like terms: -7r + 7r = 0 9 + 0 = 24 + -7r + 7r 9 = 24 + -7r + 7r Combine like terms: -7r + 7r = 0 9 = 24 + 0 9 = 24 Solving 9 = 24 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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