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Simplifying 7 = -21n Solving 7 = -21n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '21n' to each side of the equation. 7 + 21n = -21n + 21n Combine like terms: -21n + 21n = 0 7 + 21n = 0 Add '-7' to each side of the equation. 7 + -7 + 21n = 0 + -7 Combine like terms: 7 + -7 = 0 0 + 21n = 0 + -7 21n = 0 + -7 Combine like terms: 0 + -7 = -7 21n = -7 Divide each side by '21'. n = -0.3333333333 Simplifying n = -0.3333333333
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