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Simplifying 126 = 21n Solving 126 = 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. 126 + -21n = 21n + -21n Combine like terms: 21n + -21n = 0 126 + -21n = 0 Add '-126' to each side of the equation. 126 + -126 + -21n = 0 + -126 Combine like terms: 126 + -126 = 0 0 + -21n = 0 + -126 -21n = 0 + -126 Combine like terms: 0 + -126 = -126 -21n = -126 Divide each side by '-21'. n = 6 Simplifying n = 6
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