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

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