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Simplifying -139 = -2v + 7(7 + 7v) -139 = -2v + (7 * 7 + 7v * 7) -139 = -2v + (49 + 49v) Reorder the terms: -139 = 49 + -2v + 49v Combine like terms: -2v + 49v = 47v -139 = 49 + 47v Solving -139 = 49 + 47v Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '-47v' to each side of the equation. -139 + -47v = 49 + 47v + -47v Combine like terms: 47v + -47v = 0 -139 + -47v = 49 + 0 -139 + -47v = 49 Add '139' to each side of the equation. -139 + 139 + -47v = 49 + 139 Combine like terms: -139 + 139 = 0 0 + -47v = 49 + 139 -47v = 49 + 139 Combine like terms: 49 + 139 = 188 -47v = 188 Divide each side by '-47'. v = -4 Simplifying v = -4
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