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Simplifying -81 = 6v + 7v + -16 Reorder the terms: -81 = -16 + 6v + 7v Combine like terms: 6v + 7v = 13v -81 = -16 + 13v Solving -81 = -16 + 13v Solving for variable 'v'. Move all terms containing v to the left, all other terms to the right. Add '-13v' to each side of the equation. -81 + -13v = -16 + 13v + -13v Combine like terms: 13v + -13v = 0 -81 + -13v = -16 + 0 -81 + -13v = -16 Add '81' to each side of the equation. -81 + 81 + -13v = -16 + 81 Combine like terms: -81 + 81 = 0 0 + -13v = -16 + 81 -13v = -16 + 81 Combine like terms: -16 + 81 = 65 -13v = 65 Divide each side by '-13'. v = -5 Simplifying v = -5
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