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Simplifying -2(-3 + -1x) + -5(x + -5) = 4x + -7x + 8 (-3 * -2 + -1x * -2) + -5(x + -5) = 4x + -7x + 8 (6 + 2x) + -5(x + -5) = 4x + -7x + 8 Reorder the terms: 6 + 2x + -5(-5 + x) = 4x + -7x + 8 6 + 2x + (-5 * -5 + x * -5) = 4x + -7x + 8 6 + 2x + (25 + -5x) = 4x + -7x + 8 Reorder the terms: 6 + 25 + 2x + -5x = 4x + -7x + 8 Combine like terms: 6 + 25 = 31 31 + 2x + -5x = 4x + -7x + 8 Combine like terms: 2x + -5x = -3x 31 + -3x = 4x + -7x + 8 Reorder the terms: 31 + -3x = 8 + 4x + -7x Combine like terms: 4x + -7x = -3x 31 + -3x = 8 + -3x Add '3x' to each side of the equation. 31 + -3x + 3x = 8 + -3x + 3x Combine like terms: -3x + 3x = 0 31 + 0 = 8 + -3x + 3x 31 = 8 + -3x + 3x Combine like terms: -3x + 3x = 0 31 = 8 + 0 31 = 8 Solving 31 = 8 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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