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Simplifying 8x2 + 7n + -15 = -7 Reorder the terms: -15 + 7n + 8x2 = -7 Solving -15 + 7n + 8x2 = -7 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '15' to each side of the equation. -15 + 7n + 15 + 8x2 = -7 + 15 Reorder the terms: -15 + 15 + 7n + 8x2 = -7 + 15 Combine like terms: -15 + 15 = 0 0 + 7n + 8x2 = -7 + 15 7n + 8x2 = -7 + 15 Combine like terms: -7 + 15 = 8 7n + 8x2 = 8 Add '-8x2' to each side of the equation. 7n + 8x2 + -8x2 = 8 + -8x2 Combine like terms: 8x2 + -8x2 = 0 7n + 0 = 8 + -8x2 7n = 8 + -8x2 Divide each side by '7'. n = 1.142857143 + -1.142857143x2 Simplifying n = 1.142857143 + -1.142857143x2
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