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Simplifying 98 = -7(1 + 3n) 98 = (1 * -7 + 3n * -7) 98 = (-7 + -21n) Solving 98 = -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. 98 + 21n = -7 + -21n + 21n Combine like terms: -21n + 21n = 0 98 + 21n = -7 + 0 98 + 21n = -7 Add '-98' to each side of the equation. 98 + -98 + 21n = -7 + -98 Combine like terms: 98 + -98 = 0 0 + 21n = -7 + -98 21n = -7 + -98 Combine like terms: -7 + -98 = -105 21n = -105 Divide each side by '21'. n = -5 Simplifying n = -5
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