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Simplifying 7 + 3w + 21y + 9yw = 0 Reorder the terms: 7 + 3w + 9wy + 21y = 0 Solving 7 + 3w + 9wy + 21y = 0 Solving for variable 'w'. Move all terms containing w to the left, all other terms to the right. Add '-7' to each side of the equation. 7 + 3w + 9wy + -7 + 21y = 0 + -7 Reorder the terms: 7 + -7 + 3w + 9wy + 21y = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 3w + 9wy + 21y = 0 + -7 3w + 9wy + 21y = 0 + -7 Combine like terms: 0 + -7 = -7 3w + 9wy + 21y = -7 Add '-21y' to each side of the equation. 3w + 9wy + 21y + -21y = -7 + -21y Combine like terms: 21y + -21y = 0 3w + 9wy + 0 = -7 + -21y 3w + 9wy = -7 + -21y Reorder the terms: 7 + 3w + 9wy + 21y = -7 + -21y + 7 + 21y Reorder the terms: 7 + 3w + 9wy + 21y = -7 + 7 + -21y + 21y Combine like terms: -7 + 7 = 0 7 + 3w + 9wy + 21y = 0 + -21y + 21y 7 + 3w + 9wy + 21y = -21y + 21y Combine like terms: -21y + 21y = 0 7 + 3w + 9wy + 21y = 0 The solution to this equation could not be determined.
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