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Simplifying 2x2 + 7y + -4 = 0 Reorder the terms: -4 + 2x2 + 7y = 0 Solving -4 + 2x2 + 7y = 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 + 2x2 + 4 + 7y = 0 + 4 Reorder the terms: -4 + 4 + 2x2 + 7y = 0 + 4 Combine like terms: -4 + 4 = 0 0 + 2x2 + 7y = 0 + 4 2x2 + 7y = 0 + 4 Combine like terms: 0 + 4 = 4 2x2 + 7y = 4 Add '-7y' to each side of the equation. 2x2 + 7y + -7y = 4 + -7y Combine like terms: 7y + -7y = 0 2x2 + 0 = 4 + -7y 2x2 = 4 + -7y Divide each side by '2'. x2 = 2 + -3.5y Simplifying x2 = 2 + -3.5y Reorder the terms: -2 + x2 + 3.5y = 2 + -3.5y + -2 + 3.5y Reorder the terms: -2 + x2 + 3.5y = 2 + -2 + -3.5y + 3.5y Combine like terms: 2 + -2 = 0 -2 + x2 + 3.5y = 0 + -3.5y + 3.5y -2 + x2 + 3.5y = -3.5y + 3.5y Combine like terms: -3.5y + 3.5y = 0.0 -2 + x2 + 3.5y = 0.0 The solution to this equation could not be determined.
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