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Simplifying (v * 2) + -7 = 21 Reorder the terms for easier multiplication: (2v) + -7 = 21 Reorder the terms: -7 + (2v) = 21 Solving -7 + (2v) = 21 Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + (2v) = 21 + 7 Combine like terms: -7 + 7 = 0 0 + (2v) = 21 + 7 (2v) = 21 + 7 Combine like terms: 21 + 7 = 28 (2v) = 28 Divide each side by '2'. v = 14 Simplifying v = 14
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