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