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Simplifying -13n + 12 = -12n + -13 Reorder the terms: 12 + -13n = -12n + -13 Reorder the terms: 12 + -13n = -13 + -12n Solving 12 + -13n = -13 + -12n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '12n' to each side of the equation. 12 + -13n + 12n = -13 + -12n + 12n Combine like terms: -13n + 12n = -1n 12 + -1n = -13 + -12n + 12n Combine like terms: -12n + 12n = 0 12 + -1n = -13 + 0 12 + -1n = -13 Add '-12' to each side of the equation. 12 + -12 + -1n = -13 + -12 Combine like terms: 12 + -12 = 0 0 + -1n = -13 + -12 -1n = -13 + -12 Combine like terms: -13 + -12 = -25 -1n = -25 Divide each side by '-1'. n = 25 Simplifying n = 25
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