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Simplifying 7x + 2x + 3 = 23 Reorder the terms: 3 + 7x + 2x = 23 Combine like terms: 7x + 2x = 9x 3 + 9x = 23 Solving 3 + 9x = 23 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 + 9x = 23 + -3 Combine like terms: 3 + -3 = 0 0 + 9x = 23 + -3 9x = 23 + -3 Combine like terms: 23 + -3 = 20 9x = 20 Divide each side by '9'. x = 2.222222222 Simplifying x = 2.222222222
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