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