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Simplifying 7n + -13 = 50 + -2n Reorder the terms: -13 + 7n = 50 + -2n Solving -13 + 7n = 50 + -2n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '2n' to each side of the equation. -13 + 7n + 2n = 50 + -2n + 2n Combine like terms: 7n + 2n = 9n -13 + 9n = 50 + -2n + 2n Combine like terms: -2n + 2n = 0 -13 + 9n = 50 + 0 -13 + 9n = 50 Add '13' to each side of the equation. -13 + 13 + 9n = 50 + 13 Combine like terms: -13 + 13 = 0 0 + 9n = 50 + 13 9n = 50 + 13 Combine like terms: 50 + 13 = 63 9n = 63 Divide each side by '9'. n = 7 Simplifying n = 7
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