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Simplifying 4x2 + y = 21 Solving 4x2 + y = 21 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. 4x2 + y + -1y = 21 + -1y Combine like terms: y + -1y = 0 4x2 + 0 = 21 + -1y 4x2 = 21 + -1y Divide each side by '4'. x2 = 5.25 + -0.25y Simplifying x2 = 5.25 + -0.25y Reorder the terms: -5.25 + x2 + 0.25y = 5.25 + -0.25y + -5.25 + 0.25y Reorder the terms: -5.25 + x2 + 0.25y = 5.25 + -5.25 + -0.25y + 0.25y Combine like terms: 5.25 + -5.25 = 0.00 -5.25 + x2 + 0.25y = 0.00 + -0.25y + 0.25y -5.25 + x2 + 0.25y = -0.25y + 0.25y Combine like terms: -0.25y + 0.25y = 0.00 -5.25 + x2 + 0.25y = 0.00 The solution to this equation could not be determined.
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