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Simplifying 6.45n + -8.9 = 7.15n Reorder the terms: -8.9 + 6.45n = 7.15n Solving -8.9 + 6.45n = 7.15n Solving for variable 'n'. Move all terms containing n to the left, all other terms to the right. Add '-7.15n' to each side of the equation. -8.9 + 6.45n + -7.15n = 7.15n + -7.15n Combine like terms: 6.45n + -7.15n = -0.7n -8.9 + -0.7n = 7.15n + -7.15n Combine like terms: 7.15n + -7.15n = 0.00 -8.9 + -0.7n = 0.00 Add '8.9' to each side of the equation. -8.9 + 8.9 + -0.7n = 0.00 + 8.9 Combine like terms: -8.9 + 8.9 = 0.0 0.0 + -0.7n = 0.00 + 8.9 -0.7n = 0.00 + 8.9 Combine like terms: 0.00 + 8.9 = 8.9 -0.7n = 8.9 Divide each side by '-0.7'. n = -12.71428571 Simplifying n = -12.71428571
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