Answer:
f = [tex]\frac{-163}{27}[/tex]
Step-by-step explanation:
[tex]\frac{3}{4} - \frac{-5-2}{f+5} = -6[/tex]
[tex]\frac{3}{4} + 6 = \frac{-7}{f + 5}[/tex]
[tex]\frac{27}{4} = \frac{-7}{f + 5} \\[/tex]
=> 27 * ( f + 5) = -7 * 4
=> 27f + 135 = -28
=> 27f = -163
=> f = [tex]\frac{-163}{27}[/tex]
