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Simplifying 21 + 5x = 61 Solving 21 + 5x = 61 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 + 5x = 61 + -21 Combine like terms: 21 + -21 = 0 0 + 5x = 61 + -21 5x = 61 + -21 Combine like terms: 61 + -21 = 40 5x = 40 Divide each side by '5'. x = 8 Simplifying x = 8
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