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Simplifying ((2 + 7n) + -4n) = 7n Remove parenthesis around (2 + 7n) (2 + 7n + -4n) = 7n Combine like terms: 7n + -4n = 3n (2 + 3n) = 7n Remove parenthesis around (2 + 3n) 2 + 3n = 7n Solving 2 + 3n = 7n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-7n' to each side of the equation. 2 + 3n + -7n = 7n + -7n Combine like terms: 3n + -7n = -4n 2 + -4n = 7n + -7n Combine like terms: 7n + -7n = 0 2 + -4n = 0 Add '-2' to each side of the equation. 2 + -2 + -4n = 0 + -2 Combine like terms: 2 + -2 = 0 0 + -4n = 0 + -2 -4n = 0 + -2 Combine like terms: 0 + -2 = -2 -4n = -2 Divide each side by '-4'. n = 0.5 Simplifying n = 0.5
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