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Simplifying 20x + 9 = 7x + 1 Reorder the terms: 9 + 20x = 7x + 1 Reorder the terms: 9 + 20x = 1 + 7x Solving 9 + 20x = 1 + 7x Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7x' to each side of the equation. 9 + 20x + -7x = 1 + 7x + -7x Combine like terms: 20x + -7x = 13x 9 + 13x = 1 + 7x + -7x Combine like terms: 7x + -7x = 0 9 + 13x = 1 + 0 9 + 13x = 1 Add '-9' to each side of the equation. 9 + -9 + 13x = 1 + -9 Combine like terms: 9 + -9 = 0 0 + 13x = 1 + -9 13x = 1 + -9 Combine like terms: 1 + -9 = -8 13x = -8 Divide each side by '13'. x = -0.6153846154 Simplifying x = -0.6153846154
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