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Simplifying 2x2 + 6xw + -7x + -21w = 0 Reorder the terms: -21w + 6wx + -7x + 2x2 = 0 Solving -21w + 6wx + -7x + 2x2 = 0 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '7x' to each side of the equation. -21w + 6wx + -7x + 7x + 2x2 = 0 + 7x Combine like terms: -7x + 7x = 0 -21w + 6wx + 0 + 2x2 = 0 + 7x -21w + 6wx + 2x2 = 0 + 7x Remove the zero: -21w + 6wx + 2x2 = 7x Add '-2x2' to each side of the equation. -21w + 6wx + 2x2 + -2x2 = 7x + -2x2 Combine like terms: 2x2 + -2x2 = 0 -21w + 6wx + 0 = 7x + -2x2 -21w + 6wx = 7x + -2x2 Reorder the terms: -21w + 6wx + -7x + 2x2 = 7x + -7x + -2x2 + 2x2 Combine like terms: 7x + -7x = 0 -21w + 6wx + -7x + 2x2 = 0 + -2x2 + 2x2 -21w + 6wx + -7x + 2x2 = -2x2 + 2x2 Combine like terms: -2x2 + 2x2 = 0 -21w + 6wx + -7x + 2x2 = 0 The solution to this equation could not be determined.
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