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Simplifying 2(x + 8) + -7 = 2x + 13 Reorder the terms: 2(8 + x) + -7 = 2x + 13 (8 * 2 + x * 2) + -7 = 2x + 13 (16 + 2x) + -7 = 2x + 13 Reorder the terms: 16 + -7 + 2x = 2x + 13 Combine like terms: 16 + -7 = 9 9 + 2x = 2x + 13 Reorder the terms: 9 + 2x = 13 + 2x Add '-2x' to each side of the equation. 9 + 2x + -2x = 13 + 2x + -2x Combine like terms: 2x + -2x = 0 9 + 0 = 13 + 2x + -2x 9 = 13 + 2x + -2x Combine like terms: 2x + -2x = 0 9 = 13 + 0 9 = 13 Solving 9 = 13 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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