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Simplifying 2(x + 5) + 2 = 2x + 7 Reorder the terms: 2(5 + x) + 2 = 2x + 7 (5 * 2 + x * 2) + 2 = 2x + 7 (10 + 2x) + 2 = 2x + 7 Reorder the terms: 10 + 2 + 2x = 2x + 7 Combine like terms: 10 + 2 = 12 12 + 2x = 2x + 7 Reorder the terms: 12 + 2x = 7 + 2x Add '-2x' to each side of the equation. 12 + 2x + -2x = 7 + 2x + -2x Combine like terms: 2x + -2x = 0 12 + 0 = 7 + 2x + -2x 12 = 7 + 2x + -2x Combine like terms: 2x + -2x = 0 12 = 7 + 0 12 = 7 Solving 12 = 7 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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