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Simplifying 8x + -2(x + 7) = 6x + 20 Reorder the terms: 8x + -2(7 + x) = 6x + 20 8x + (7 * -2 + x * -2) = 6x + 20 8x + (-14 + -2x) = 6x + 20 Reorder the terms: -14 + 8x + -2x = 6x + 20 Combine like terms: 8x + -2x = 6x -14 + 6x = 6x + 20 Reorder the terms: -14 + 6x = 20 + 6x Add '-6x' to each side of the equation. -14 + 6x + -6x = 20 + 6x + -6x Combine like terms: 6x + -6x = 0 -14 + 0 = 20 + 6x + -6x -14 = 20 + 6x + -6x Combine like terms: 6x + -6x = 0 -14 = 20 + 0 -14 = 20 Solving -14 = 20 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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