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Simplifying 2(x + 1) + -7 = 6x + -4(2 + x) Reorder the terms: 2(1 + x) + -7 = 6x + -4(2 + x) (1 * 2 + x * 2) + -7 = 6x + -4(2 + x) (2 + 2x) + -7 = 6x + -4(2 + x) Reorder the terms: 2 + -7 + 2x = 6x + -4(2 + x) Combine like terms: 2 + -7 = -5 -5 + 2x = 6x + -4(2 + x) -5 + 2x = 6x + (2 * -4 + x * -4) -5 + 2x = 6x + (-8 + -4x) Reorder the terms: -5 + 2x = -8 + 6x + -4x Combine like terms: 6x + -4x = 2x -5 + 2x = -8 + 2x Add '-2x' to each side of the equation. -5 + 2x + -2x = -8 + 2x + -2x Combine like terms: 2x + -2x = 0 -5 + 0 = -8 + 2x + -2x -5 = -8 + 2x + -2x Combine like terms: 2x + -2x = 0 -5 = -8 + 0 -5 = -8 Solving -5 = -8 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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