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Simplifying 2(x + 7) = 6x + 9 + -4x Reorder the terms: 2(7 + x) = 6x + 9 + -4x (7 * 2 + x * 2) = 6x + 9 + -4x (14 + 2x) = 6x + 9 + -4x Reorder the terms: 14 + 2x = 9 + 6x + -4x Combine like terms: 6x + -4x = 2x 14 + 2x = 9 + 2x Add '-2x' to each side of the equation. 14 + 2x + -2x = 9 + 2x + -2x Combine like terms: 2x + -2x = 0 14 + 0 = 9 + 2x + -2x 14 = 9 + 2x + -2x Combine like terms: 2x + -2x = 0 14 = 9 + 0 14 = 9 Solving 14 = 9 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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