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