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Simplifying 2x2 + 3y2 + -4z2 = 31 Solving 2x2 + 3y2 + -4z2 = 31 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3y2' to each side of the equation. 2x2 + 3y2 + -3y2 + -4z2 = 31 + -3y2 Combine like terms: 3y2 + -3y2 = 0 2x2 + 0 + -4z2 = 31 + -3y2 2x2 + -4z2 = 31 + -3y2 Add '4z2' to each side of the equation. 2x2 + -4z2 + 4z2 = 31 + -3y2 + 4z2 Combine like terms: -4z2 + 4z2 = 0 2x2 + 0 = 31 + -3y2 + 4z2 2x2 = 31 + -3y2 + 4z2 Divide each side by '2'. x2 = 15.5 + -1.5y2 + 2z2 Simplifying x2 = 15.5 + -1.5y2 + 2z2 Reorder the terms: -15.5 + x2 + 1.5y2 + -2z2 = 15.5 + -1.5y2 + 2z2 + -15.5 + 1.5y2 + -2z2 Reorder the terms: -15.5 + x2 + 1.5y2 + -2z2 = 15.5 + -15.5 + -1.5y2 + 1.5y2 + 2z2 + -2z2 Combine like terms: 15.5 + -15.5 = 0.0 -15.5 + x2 + 1.5y2 + -2z2 = 0.0 + -1.5y2 + 1.5y2 + 2z2 + -2z2 -15.5 + x2 + 1.5y2 + -2z2 = -1.5y2 + 1.5y2 + 2z2 + -2z2 Combine like terms: -1.5y2 + 1.5y2 = 0.0 -15.5 + x2 + 1.5y2 + -2z2 = 0.0 + 2z2 + -2z2 -15.5 + x2 + 1.5y2 + -2z2 = 2z2 + -2z2 Combine like terms: 2z2 + -2z2 = 0 -15.5 + x2 + 1.5y2 + -2z2 = 0 The solution to this equation could not be determined.
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