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Simplifying 7 + -2(3x + 5) + -1(2x + -4) = -6x + 3 + -2x Reorder the terms: 7 + -2(5 + 3x) + -1(2x + -4) = -6x + 3 + -2x 7 + (5 * -2 + 3x * -2) + -1(2x + -4) = -6x + 3 + -2x 7 + (-10 + -6x) + -1(2x + -4) = -6x + 3 + -2x Reorder the terms: 7 + -10 + -6x + -1(-4 + 2x) = -6x + 3 + -2x 7 + -10 + -6x + (-4 * -1 + 2x * -1) = -6x + 3 + -2x 7 + -10 + -6x + (4 + -2x) = -6x + 3 + -2x Reorder the terms: 7 + -10 + 4 + -6x + -2x = -6x + 3 + -2x Combine like terms: 7 + -10 = -3 -3 + 4 + -6x + -2x = -6x + 3 + -2x Combine like terms: -3 + 4 = 1 1 + -6x + -2x = -6x + 3 + -2x Combine like terms: -6x + -2x = -8x 1 + -8x = -6x + 3 + -2x Reorder the terms: 1 + -8x = 3 + -6x + -2x Combine like terms: -6x + -2x = -8x 1 + -8x = 3 + -8x Add '8x' to each side of the equation. 1 + -8x + 8x = 3 + -8x + 8x Combine like terms: -8x + 8x = 0 1 + 0 = 3 + -8x + 8x 1 = 3 + -8x + 8x Combine like terms: -8x + 8x = 0 1 = 3 + 0 1 = 3 Solving 1 = 3 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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