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Simplifying 30 + -2n = n Solving 30 + -2n = n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-1n' to each side of the equation. 30 + -2n + -1n = n + -1n Combine like terms: -2n + -1n = -3n 30 + -3n = n + -1n Combine like terms: n + -1n = 0 30 + -3n = 0 Add '-30' to each side of the equation. 30 + -30 + -3n = 0 + -30 Combine like terms: 30 + -30 = 0 0 + -3n = 0 + -30 -3n = 0 + -30 Combine like terms: 0 + -30 = -30 -3n = -30 Divide each side by '-3'. n = 10 Simplifying n = 10
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