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Simplifying -2n + 3.5 = 7.5 Reorder the terms: 3.5 + -2n = 7.5 Solving 3.5 + -2n = 7.5 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-3.5' to each side of the equation. 3.5 + -3.5 + -2n = 7.5 + -3.5 Combine like terms: 3.5 + -3.5 = 0.0 0.0 + -2n = 7.5 + -3.5 -2n = 7.5 + -3.5 Combine like terms: 7.5 + -3.5 = 4 -2n = 4 Divide each side by '-2'. n = -2 Simplifying n = -2
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