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Simplifying 4 + -5r + 4 = 3r + -8(r + -2) Reorder the terms: 4 + 4 + -5r = 3r + -8(r + -2) Combine like terms: 4 + 4 = 8 8 + -5r = 3r + -8(r + -2) Reorder the terms: 8 + -5r = 3r + -8(-2 + r) 8 + -5r = 3r + (-2 * -8 + r * -8) 8 + -5r = 3r + (16 + -8r) Reorder the terms: 8 + -5r = 16 + 3r + -8r Combine like terms: 3r + -8r = -5r 8 + -5r = 16 + -5r Add '5r' to each side of the equation. 8 + -5r + 5r = 16 + -5r + 5r Combine like terms: -5r + 5r = 0 8 + 0 = 16 + -5r + 5r 8 = 16 + -5r + 5r Combine like terms: -5r + 5r = 0 8 = 16 + 0 8 = 16 Solving 8 = 16 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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