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Simplifying x + (x * 2 + -1) + (x * 4 + -1) = 69 Reorder the terms for easier multiplication: x + (2x + -1) + (x * 4 + -1) = 69 Reorder the terms: x + (-1 + 2x) + (x * 4 + -1) = 69 Remove parenthesis around (-1 + 2x) x + -1 + 2x + (x * 4 + -1) = 69 Reorder the terms for easier multiplication: x + -1 + 2x + (4x + -1) = 69 Reorder the terms: x + -1 + 2x + (-1 + 4x) = 69 Remove parenthesis around (-1 + 4x) x + -1 + 2x + -1 + 4x = 69 Reorder the terms: -1 + -1 + x + 2x + 4x = 69 Combine like terms: -1 + -1 = -2 -2 + x + 2x + 4x = 69 Combine like terms: x + 2x = 3x -2 + 3x + 4x = 69 Combine like terms: 3x + 4x = 7x -2 + 7x = 69 Solving -2 + 7x = 69 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + 7x = 69 + 2 Combine like terms: -2 + 2 = 0 0 + 7x = 69 + 2 7x = 69 + 2 Combine like terms: 69 + 2 = 71 7x = 71 Divide each side by '7'. x = 10.14285714 Simplifying x = 10.14285714
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