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