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Simplifying 2x + 1 = 5 + -7 Reorder the terms: 1 + 2x = 5 + -7 Combine like terms: 5 + -7 = -2 1 + 2x = -2 Solving 1 + 2x = -2 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1' to each side of the equation. 1 + -1 + 2x = -2 + -1 Combine like terms: 1 + -1 = 0 0 + 2x = -2 + -1 2x = -2 + -1 Combine like terms: -2 + -1 = -3 2x = -3 Divide each side by '2'. x = -1.5 Simplifying x = -1.5

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