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Simplifying 4x + -7 + -2(4x + 1) = -2(3 + 2x) Reorder the terms: 4x + -7 + -2(1 + 4x) = -2(3 + 2x) 4x + -7 + (1 * -2 + 4x * -2) = -2(3 + 2x) 4x + -7 + (-2 + -8x) = -2(3 + 2x) Reorder the terms: -7 + -2 + 4x + -8x = -2(3 + 2x) Combine like terms: -7 + -2 = -9 -9 + 4x + -8x = -2(3 + 2x) Combine like terms: 4x + -8x = -4x -9 + -4x = -2(3 + 2x) -9 + -4x = (3 * -2 + 2x * -2) -9 + -4x = (-6 + -4x) Add '4x' to each side of the equation. -9 + -4x + 4x = -6 + -4x + 4x Combine like terms: -4x + 4x = 0 -9 + 0 = -6 + -4x + 4x -9 = -6 + -4x + 4x Combine like terms: -4x + 4x = 0 -9 = -6 + 0 -9 = -6 Solving -9 = -6 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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