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Simplifying 4(4x + -5) = 2(8x + 7) Reorder the terms: 4(-5 + 4x) = 2(8x + 7) (-5 * 4 + 4x * 4) = 2(8x + 7) (-20 + 16x) = 2(8x + 7) Reorder the terms: -20 + 16x = 2(7 + 8x) -20 + 16x = (7 * 2 + 8x * 2) -20 + 16x = (14 + 16x) Add '-16x' to each side of the equation. -20 + 16x + -16x = 14 + 16x + -16x Combine like terms: 16x + -16x = 0 -20 + 0 = 14 + 16x + -16x -20 = 14 + 16x + -16x Combine like terms: 16x + -16x = 0 -20 = 14 + 0 -20 = 14 Solving -20 = 14 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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