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Simplifying -2n + -7 + -5n = -49 Reorder the terms: -7 + -2n + -5n = -49 Combine like terms: -2n + -5n = -7n -7 + -7n = -49 Solving -7 + -7n = -49 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '7' to each side of the equation. -7 + 7 + -7n = -49 + 7 Combine like terms: -7 + 7 = 0 0 + -7n = -49 + 7 -7n = -49 + 7 Combine like terms: -49 + 7 = -42 -7n = -42 Divide each side by '-7'. n = 6 Simplifying n = 6
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