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Simplifying 4(2x + -1) + -1(x + 2) = 0 Reorder the terms: 4(-1 + 2x) + -1(x + 2) = 0 (-1 * 4 + 2x * 4) + -1(x + 2) = 0 (-4 + 8x) + -1(x + 2) = 0 Reorder the terms: -4 + 8x + -1(2 + x) = 0 -4 + 8x + (2 * -1 + x * -1) = 0 -4 + 8x + (-2 + -1x) = 0 Reorder the terms: -4 + -2 + 8x + -1x = 0 Combine like terms: -4 + -2 = -6 -6 + 8x + -1x = 0 Combine like terms: 8x + -1x = 7x -6 + 7x = 0 Solving -6 + 7x = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + 7x = 0 + 6 Combine like terms: -6 + 6 = 0 0 + 7x = 0 + 6 7x = 0 + 6 Combine like terms: 0 + 6 = 6 7x = 6 Divide each side by '7'. x = 0.8571428571 Simplifying x = 0.8571428571
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