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