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Simplifying 42 + -3n = 2 + n Solving 42 + -3n = 2 + 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. 42 + -3n + -1n = 2 + n + -1n Combine like terms: -3n + -1n = -4n 42 + -4n = 2 + n + -1n Combine like terms: n + -1n = 0 42 + -4n = 2 + 0 42 + -4n = 2 Add '-42' to each side of the equation. 42 + -42 + -4n = 2 + -42 Combine like terms: 42 + -42 = 0 0 + -4n = 2 + -42 -4n = 2 + -42 Combine like terms: 2 + -42 = -40 -4n = -40 Divide each side by '-4'. n = 10 Simplifying n = 10
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