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Simplifying 2x + y = 20 Solving 2x + y = 20 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1y' to each side of the equation. 2x + y + -1y = 20 + -1y Combine like terms: y + -1y = 0 2x + 0 = 20 + -1y 2x = 20 + -1y Divide each side by '2'. x = 10 + -0.5y Simplifying x = 10 + -0.5y
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