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Simplifying 2(x + -3) + -4(7 + 2) = 2(x + -1) Reorder the terms: 2(-3 + x) + -4(7 + 2) = 2(x + -1) (-3 * 2 + x * 2) + -4(7 + 2) = 2(x + -1) (-6 + 2x) + -4(7 + 2) = 2(x + -1) Combine like terms: 7 + 2 = 9 -6 + 2x + -4(9) = 2(x + -1) Multiply -4 * 9 -6 + 2x + -36 = 2(x + -1) Reorder the terms: -6 + -36 + 2x = 2(x + -1) Combine like terms: -6 + -36 = -42 -42 + 2x = 2(x + -1) Reorder the terms: -42 + 2x = 2(-1 + x) -42 + 2x = (-1 * 2 + x * 2) -42 + 2x = (-2 + 2x) Add '-2x' to each side of the equation. -42 + 2x + -2x = -2 + 2x + -2x Combine like terms: 2x + -2x = 0 -42 + 0 = -2 + 2x + -2x -42 = -2 + 2x + -2x Combine like terms: 2x + -2x = 0 -42 = -2 + 0 -42 = -2 Solving -42 = -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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