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Simplifying -1(-2x + 7y + -4) = 0 Reorder the terms: -1(-4 + -2x + 7y) = 0 (-4 * -1 + -2x * -1 + 7y * -1) = 0 (4 + 2x + -7y) = 0 Solving 4 + 2x + -7y = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + 2x + -4 + -7y = 0 + -4 Reorder the terms: 4 + -4 + 2x + -7y = 0 + -4 Combine like terms: 4 + -4 = 0 0 + 2x + -7y = 0 + -4 2x + -7y = 0 + -4 Combine like terms: 0 + -4 = -4 2x + -7y = -4 Add '7y' to each side of the equation. 2x + -7y + 7y = -4 + 7y Combine like terms: -7y + 7y = 0 2x + 0 = -4 + 7y 2x = -4 + 7y Divide each side by '2'. x = -2 + 3.5y Simplifying x = -2 + 3.5y
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