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