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Simplifying -21x + 7y + 6xy + -3y2 = 0 Reorder the terms: -21x + 6xy + 7y + -3y2 = 0 Solving -21x + 6xy + 7y + -3y2 = 0 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-7y' to each side of the equation. -21x + 6xy + 7y + -7y + -3y2 = 0 + -7y Combine like terms: 7y + -7y = 0 -21x + 6xy + 0 + -3y2 = 0 + -7y -21x + 6xy + -3y2 = 0 + -7y Remove the zero: -21x + 6xy + -3y2 = -7y Add '3y2' to each side of the equation. -21x + 6xy + -3y2 + 3y2 = -7y + 3y2 Combine like terms: -3y2 + 3y2 = 0 -21x + 6xy + 0 = -7y + 3y2 -21x + 6xy = -7y + 3y2 Reorder the terms: -21x + 6xy + 7y + -3y2 = -7y + 7y + 3y2 + -3y2 Combine like terms: -7y + 7y = 0 -21x + 6xy + 7y + -3y2 = 0 + 3y2 + -3y2 -21x + 6xy + 7y + -3y2 = 3y2 + -3y2 Combine like terms: 3y2 + -3y2 = 0 -21x + 6xy + 7y + -3y2 = 0 The solution to this equation could not be determined.
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