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