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Simplifying 2x + -3 = 81 Reorder the terms: -3 + 2x = 81 Solving -3 + 2x = 81 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + 2x = 81 + 3 Combine like terms: -3 + 3 = 0 0 + 2x = 81 + 3 2x = 81 + 3 Combine like terms: 81 + 3 = 84 2x = 84 Divide each side by '2'. x = 42 Simplifying x = 42
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