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Simplifying 5x2 + 4y = 20 Solving 5x2 + 4y = 20 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4y' to each side of the equation. 5x2 + 4y + -4y = 20 + -4y Combine like terms: 4y + -4y = 0 5x2 + 0 = 20 + -4y 5x2 = 20 + -4y Divide each side by '5'. x2 = 4 + -0.8y Simplifying x2 = 4 + -0.8y Reorder the terms: -4 + x2 + 0.8y = 4 + -0.8y + -4 + 0.8y Reorder the terms: -4 + x2 + 0.8y = 4 + -4 + -0.8y + 0.8y Combine like terms: 4 + -4 = 0 -4 + x2 + 0.8y = 0 + -0.8y + 0.8y -4 + x2 + 0.8y = -0.8y + 0.8y Combine like terms: -0.8y + 0.8y = 0.0 -4 + x2 + 0.8y = 0.0 The solution to this equation could not be determined.
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