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Simplifying 7x2 + 28y + -84 = 0 Reorder the terms: -84 + 7x2 + 28y = 0 Solving -84 + 7x2 + 28y = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '84' to each side of the equation. -84 + 7x2 + 84 + 28y = 0 + 84 Reorder the terms: -84 + 84 + 7x2 + 28y = 0 + 84 Combine like terms: -84 + 84 = 0 0 + 7x2 + 28y = 0 + 84 7x2 + 28y = 0 + 84 Combine like terms: 0 + 84 = 84 7x2 + 28y = 84 Add '-28y' to each side of the equation. 7x2 + 28y + -28y = 84 + -28y Combine like terms: 28y + -28y = 0 7x2 + 0 = 84 + -28y 7x2 = 84 + -28y Divide each side by '7'. x2 = 12 + -4y Simplifying x2 = 12 + -4y Reorder the terms: -12 + x2 + 4y = 12 + -4y + -12 + 4y Reorder the terms: -12 + x2 + 4y = 12 + -12 + -4y + 4y Combine like terms: 12 + -12 = 0 -12 + x2 + 4y = 0 + -4y + 4y -12 + x2 + 4y = -4y + 4y Combine like terms: -4y + 4y = 0 -12 + x2 + 4y = 0 The solution to this equation could not be determined.
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