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Simplifying 7v + -1(7 + -2v) = 12 7v + (7 * -1 + -2v * -1) = 12 7v + (-7 + 2v) = 12 Reorder the terms: -7 + 7v + 2v = 12 Combine like terms: 7v + 2v = 9v -7 + 9v = 12 Solving -7 + 9v = 12 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 + 9v = 12 + 7 Combine like terms: -7 + 7 = 0 0 + 9v = 12 + 7 9v = 12 + 7 Combine like terms: 12 + 7 = 19 9v = 19 Divide each side by '9'. v = 2.111111111 Simplifying v = 2.111111111
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