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Simplifying 4(3x + -7) = 2(6x + 9) Reorder the terms: 4(-7 + 3x) = 2(6x + 9) (-7 * 4 + 3x * 4) = 2(6x + 9) (-28 + 12x) = 2(6x + 9) Reorder the terms: -28 + 12x = 2(9 + 6x) -28 + 12x = (9 * 2 + 6x * 2) -28 + 12x = (18 + 12x) Add '-12x' to each side of the equation. -28 + 12x + -12x = 18 + 12x + -12x Combine like terms: 12x + -12x = 0 -28 + 0 = 18 + 12x + -12x -28 = 18 + 12x + -12x Combine like terms: 12x + -12x = 0 -28 = 18 + 0 -28 = 18 Solving -28 = 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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