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Simplifying 2x2 + 7n + 3 = 0 Reorder the terms: 3 + 7n + 2x2 = 0 Solving 3 + 7n + 2x2 = 0 Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + 7n + -3 + 2x2 = 0 + -3 Reorder the terms: 3 + -3 + 7n + 2x2 = 0 + -3 Combine like terms: 3 + -3 = 0 0 + 7n + 2x2 = 0 + -3 7n + 2x2 = 0 + -3 Combine like terms: 0 + -3 = -3 7n + 2x2 = -3 Add '-2x2' to each side of the equation. 7n + 2x2 + -2x2 = -3 + -2x2 Combine like terms: 2x2 + -2x2 = 0 7n + 0 = -3 + -2x2 7n = -3 + -2x2 Divide each side by '7'. n = -0.4285714286 + -0.2857142857x2 Simplifying n = -0.4285714286 + -0.2857142857x2
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