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Simplifying W3 + -7w2 + -3w + 21 = 0 Reorder the terms: 21 + W3 + -3w + -7w2 = 0 Solving 21 + W3 + -3w + -7w2 = 0 Solving for variable 'W'. Move all terms containing W to the left, all other terms to the right. Add '-21' to each side of the equation. 21 + W3 + -3w + -21 + -7w2 = 0 + -21 Reorder the terms: 21 + -21 + W3 + -3w + -7w2 = 0 + -21 Combine like terms: 21 + -21 = 0 0 + W3 + -3w + -7w2 = 0 + -21 W3 + -3w + -7w2 = 0 + -21 Combine like terms: 0 + -21 = -21 W3 + -3w + -7w2 = -21 Add '3w' to each side of the equation. W3 + -3w + 3w + -7w2 = -21 + 3w Combine like terms: -3w + 3w = 0 W3 + 0 + -7w2 = -21 + 3w W3 + -7w2 = -21 + 3w Add '7w2' to each side of the equation. W3 + -7w2 + 7w2 = -21 + 3w + 7w2 Combine like terms: -7w2 + 7w2 = 0 W3 + 0 = -21 + 3w + 7w2 W3 = -21 + 3w + 7w2 Simplifying W3 = -21 + 3w + 7w2 Reorder the terms: 21 + W3 + -3w + -7w2 = -21 + 3w + 7w2 + 21 + -3w + -7w2 Reorder the terms: 21 + W3 + -3w + -7w2 = -21 + 21 + 3w + -3w + 7w2 + -7w2 Combine like terms: -21 + 21 = 0 21 + W3 + -3w + -7w2 = 0 + 3w + -3w + 7w2 + -7w2 21 + W3 + -3w + -7w2 = 3w + -3w + 7w2 + -7w2 Combine like terms: 3w + -3w = 0 21 + W3 + -3w + -7w2 = 0 + 7w2 + -7w2 21 + W3 + -3w + -7w2 = 7w2 + -7w2 Combine like terms: 7w2 + -7w2 = 0 21 + W3 + -3w + -7w2 = 0 The solution to this equation could not be determined.
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