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Simplifying -48 + -12n = 42 + 42n Solving -48 + -12n = 42 + 42n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-42n' to each side of the equation. -48 + -12n + -42n = 42 + 42n + -42n Combine like terms: -12n + -42n = -54n -48 + -54n = 42 + 42n + -42n Combine like terms: 42n + -42n = 0 -48 + -54n = 42 + 0 -48 + -54n = 42 Add '48' to each side of the equation. -48 + 48 + -54n = 42 + 48 Combine like terms: -48 + 48 = 0 0 + -54n = 42 + 48 -54n = 42 + 48 Combine like terms: 42 + 48 = 90 -54n = 90 Divide each side by '-54'. n = -1.666666667 Simplifying n = -1.666666667
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