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Simplifying (7 + -1x)(10 + -1x) = (7)(10 + -1.5x) Multiply (7 + -1x) * (10 + -1x) (7(10 + -1x) + -1x * (10 + -1x)) = (7)(10 + -1.5x) ((10 * 7 + -1x * 7) + -1x * (10 + -1x)) = (7)(10 + -1.5x) ((70 + -7x) + -1x * (10 + -1x)) = (7)(10 + -1.5x) (70 + -7x + (10 * -1x + -1x * -1x)) = (7)(10 + -1.5x) (70 + -7x + (-10x + 1x2)) = (7)(10 + -1.5x) Combine like terms: -7x + -10x = -17x (70 + -17x + 1x2) = (7)(10 + -1.5x) 70 + -17x + 1x2 = (10 * 7 + -1.5x * 7) 70 + -17x + 1x2 = (70 + -10.5x) Add '-70' to each side of the equation. 70 + -17x + -70 + 1x2 = 70 + -70 + -10.5x Reorder the terms: 70 + -70 + -17x + 1x2 = 70 + -70 + -10.5x Combine like terms: 70 + -70 = 0 0 + -17x + 1x2 = 70 + -70 + -10.5x -17x + 1x2 = 70 + -70 + -10.5x Combine like terms: 70 + -70 = 0 -17x + 1x2 = 0 + -10.5x -17x + 1x2 = -10.5x Solving -17x + 1x2 = -10.5x Solving for variable 'x'. Reorder the terms: -17x + 10.5x + 1x2 = -10.5x + 10.5x Combine like terms: -17x + 10.5x = -6.5x -6.5x + 1x2 = -10.5x + 10.5x Combine like terms: -10.5x + 10.5x = 0.0 -6.5x + 1x2 = 0.0 The solution to this equation could not be determined.
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