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