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Simplifying 84 = 21v Solving 84 = 21v Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '-21v' to each side of the equation. 84 + -21v = 21v + -21v Combine like terms: 21v + -21v = 0 84 + -21v = 0 Add '-84' to each side of the equation. 84 + -84 + -21v = 0 + -84 Combine like terms: 84 + -84 = 0 0 + -21v = 0 + -84 -21v = 0 + -84 Combine like terms: 0 + -84 = -84 -21v = -84 Divide each side by '-21'. v = 4 Simplifying v = 4
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