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Simplifying 3 + -9(x + 1) + -3 = 3 + 3(9 + -3x) + -81 Reorder the terms: 3 + -9(1 + x) + -3 = 3 + 3(9 + -3x) + -81 3 + (1 * -9 + x * -9) + -3 = 3 + 3(9 + -3x) + -81 3 + (-9 + -9x) + -3 = 3 + 3(9 + -3x) + -81 Reorder the terms: 3 + -9 + -3 + -9x = 3 + 3(9 + -3x) + -81 Combine like terms: 3 + -9 = -6 -6 + -3 + -9x = 3 + 3(9 + -3x) + -81 Combine like terms: -6 + -3 = -9 -9 + -9x = 3 + 3(9 + -3x) + -81 -9 + -9x = 3 + (9 * 3 + -3x * 3) + -81 -9 + -9x = 3 + (27 + -9x) + -81 Reorder the terms: -9 + -9x = 3 + 27 + -81 + -9x Combine like terms: 3 + 27 = 30 -9 + -9x = 30 + -81 + -9x Combine like terms: 30 + -81 = -51 -9 + -9x = -51 + -9x Add '9x' to each side of the equation. -9 + -9x + 9x = -51 + -9x + 9x Combine like terms: -9x + 9x = 0 -9 + 0 = -51 + -9x + 9x -9 = -51 + -9x + 9x Combine like terms: -9x + 9x = 0 -9 = -51 + 0 -9 = -51 Solving -9 = -51 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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