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Simplifying 81f2 + 90s + 25 = 0 Reorder the terms: 25 + 81f2 + 90s = 0 Solving 25 + 81f2 + 90s = 0 Solving for variable 'f'. Move all terms containing f to the left, all other terms to the right. Add '-25' to each side of the equation. 25 + 81f2 + -25 + 90s = 0 + -25 Reorder the terms: 25 + -25 + 81f2 + 90s = 0 + -25 Combine like terms: 25 + -25 = 0 0 + 81f2 + 90s = 0 + -25 81f2 + 90s = 0 + -25 Combine like terms: 0 + -25 = -25 81f2 + 90s = -25 Add '-90s' to each side of the equation. 81f2 + 90s + -90s = -25 + -90s Combine like terms: 90s + -90s = 0 81f2 + 0 = -25 + -90s 81f2 = -25 + -90s Divide each side by '81'. f2 = -0.3086419753 + -1.111111111s Simplifying f2 = -0.3086419753 + -1.111111111s Reorder the terms: 0.3086419753 + f2 + 1.111111111s = -0.3086419753 + -1.111111111s + 0.3086419753 + 1.111111111s Reorder the terms: 0.3086419753 + f2 + 1.111111111s = -0.3086419753 + 0.3086419753 + -1.111111111s + 1.111111111s Combine like terms: -0.3086419753 + 0.3086419753 = 0.0000000000 0.3086419753 + f2 + 1.111111111s = 0.0000000000 + -1.111111111s + 1.111111111s 0.3086419753 + f2 + 1.111111111s = -1.111111111s + 1.111111111s Combine like terms: -1.111111111s + 1.111111111s = 0.000000000 0.3086419753 + f2 + 1.111111111s = 0.000000000 The solution to this equation could not be determined.
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