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Simplifying 2x + 21 = 11 + -51 Reorder the terms: 21 + 2x = 11 + -51 Combine like terms: 11 + -51 = -40 21 + 2x = -40 Solving 21 + 2x = -40 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-21' to each side of the equation. 21 + -21 + 2x = -40 + -21 Combine like terms: 21 + -21 = 0 0 + 2x = -40 + -21 2x = -40 + -21 Combine like terms: -40 + -21 = -61 2x = -61 Divide each side by '2'. x = -30.5 Simplifying x = -30.5
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