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Simplifying 2n + -2 = 9n + -30 Reorder the terms: -2 + 2n = 9n + -30 Reorder the terms: -2 + 2n = -30 + 9n Solving -2 + 2n = -30 + 9n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-9n' to each side of the equation. -2 + 2n + -9n = -30 + 9n + -9n Combine like terms: 2n + -9n = -7n -2 + -7n = -30 + 9n + -9n Combine like terms: 9n + -9n = 0 -2 + -7n = -30 + 0 -2 + -7n = -30 Add '2' to each side of the equation. -2 + 2 + -7n = -30 + 2 Combine like terms: -2 + 2 = 0 0 + -7n = -30 + 2 -7n = -30 + 2 Combine like terms: -30 + 2 = -28 -7n = -28 Divide each side by '-7'. n = 4 Simplifying n = 4
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