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Simplifying -3r2 + 7f + 6 = 0 Reorder the terms: 6 + 7f + -3r2 = 0 Solving 6 + 7f + -3r2 = 0 Solving for variable 'f'. Move all terms containing f to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + 7f + -6 + -3r2 = 0 + -6 Reorder the terms: 6 + -6 + 7f + -3r2 = 0 + -6 Combine like terms: 6 + -6 = 0 0 + 7f + -3r2 = 0 + -6 7f + -3r2 = 0 + -6 Combine like terms: 0 + -6 = -6 7f + -3r2 = -6 Add '3r2' to each side of the equation. 7f + -3r2 + 3r2 = -6 + 3r2 Combine like terms: -3r2 + 3r2 = 0 7f + 0 = -6 + 3r2 7f = -6 + 3r2 Divide each side by '7'. f = -0.8571428571 + 0.4285714286r2 Simplifying f = -0.8571428571 + 0.4285714286r2
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