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