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