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Simplifying 6x + (2x + 7) = 2(4x + 9) Reorder the terms: 6x + (7 + 2x) = 2(4x + 9) Remove parenthesis around (7 + 2x) 6x + 7 + 2x = 2(4x + 9) Reorder the terms: 7 + 6x + 2x = 2(4x + 9) Combine like terms: 6x + 2x = 8x 7 + 8x = 2(4x + 9) Reorder the terms: 7 + 8x = 2(9 + 4x) 7 + 8x = (9 * 2 + 4x * 2) 7 + 8x = (18 + 8x) Add '-8x' to each side of the equation. 7 + 8x + -8x = 18 + 8x + -8x Combine like terms: 8x + -8x = 0 7 + 0 = 18 + 8x + -8x 7 = 18 + 8x + -8x Combine like terms: 8x + -8x = 0 7 = 18 + 0 7 = 18 Solving 7 = 18 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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