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Simplifying x + (20x + 30) = 270 Reorder the terms: x + (30 + 20x) = 270 Remove parenthesis around (30 + 20x) x + 30 + 20x = 270 Reorder the terms: 30 + x + 20x = 270 Combine like terms: x + 20x = 21x 30 + 21x = 270 Solving 30 + 21x = 270 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-30' to each side of the equation. 30 + -30 + 21x = 270 + -30 Combine like terms: 30 + -30 = 0 0 + 21x = 270 + -30 21x = 270 + -30 Combine like terms: 270 + -30 = 240 21x = 240 Divide each side by '21'. x = 11.42857143 Simplifying x = 11.42857143
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