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Simplifying -2 + 7(x + -4) = 16x + 2 + -9x Reorder the terms: -2 + 7(-4 + x) = 16x + 2 + -9x -2 + (-4 * 7 + x * 7) = 16x + 2 + -9x -2 + (-28 + 7x) = 16x + 2 + -9x Combine like terms: -2 + -28 = -30 -30 + 7x = 16x + 2 + -9x Reorder the terms: -30 + 7x = 2 + 16x + -9x Combine like terms: 16x + -9x = 7x -30 + 7x = 2 + 7x Add '-7x' to each side of the equation. -30 + 7x + -7x = 2 + 7x + -7x Combine like terms: 7x + -7x = 0 -30 + 0 = 2 + 7x + -7x -30 = 2 + 7x + -7x Combine like terms: 7x + -7x = 0 -30 = 2 + 0 -30 = 2 Solving -30 = 2 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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