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

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