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