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Simplifying 2x + y + -9 = 4 Reorder the terms: -9 + 2x + y = 4 Solving -9 + 2x + y = 4 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '9' to each side of the equation. -9 + 2x + 9 + y = 4 + 9 Reorder the terms: -9 + 9 + 2x + y = 4 + 9 Combine like terms: -9 + 9 = 0 0 + 2x + y = 4 + 9 2x + y = 4 + 9 Combine like terms: 4 + 9 = 13 2x + y = 13 Add '-1y' to each side of the equation. 2x + y + -1y = 13 + -1y Combine like terms: y + -1y = 0 2x + 0 = 13 + -1y 2x = 13 + -1y Divide each side by '2'. x = 6.5 + -0.5y Simplifying x = 6.5 + -0.5y
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