(84.9-x)*38=36.86 ; (91.2 / x)+84.79=92.79

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Solving the first equation:

84.9 - x = 36.86 / 38
84.9 - x = 0.969
-x = -83.931
x ≈ 83.931

Now substituting x into the second equation:

(91.2 / 83.931) + 84.79 = 92.79
1.084 + 84.79 = 92.79
85.874 = 92.79

Therefore, the solution for x is approximately 83.931, but this does not satisfy the second equation. There might have been a mistake in calculations.