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Simplifying -4(-2x + y) = -4(5) (-2x * -4 + y * -4) = -4(5) (8x + -4y) = -4(5) Multiply -4 * 5 8x + -4y = -20 Solving 8x + -4y = -20 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4y' to each side of the equation. 8x + -4y + 4y = -20 + 4y Combine like terms: -4y + 4y = 0 8x + 0 = -20 + 4y 8x = -20 + 4y Divide each side by '8'. x = -2.5 + 0.5y Simplifying x = -2.5 + 0.5y
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