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Simplifying -7(8 + -1n) = -36 + -13n (8 * -7 + -1n * -7) = -36 + -13n (-56 + 7n) = -36 + -13n Solving -56 + 7n = -36 + -13n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '13n' to each side of the equation. -56 + 7n + 13n = -36 + -13n + 13n Combine like terms: 7n + 13n = 20n -56 + 20n = -36 + -13n + 13n Combine like terms: -13n + 13n = 0 -56 + 20n = -36 + 0 -56 + 20n = -36 Add '56' to each side of the equation. -56 + 56 + 20n = -36 + 56 Combine like terms: -56 + 56 = 0 0 + 20n = -36 + 56 20n = -36 + 56 Combine like terms: -36 + 56 = 20 20n = 20 Divide each side by '20'. n = 1 Simplifying n = 1
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