Answer:
[tex]x=\frac{35}{44}[/tex]
This is incomplete,
but if you mean:
[tex]-2\frac{1}{5}x=1\frac{3}{4}[/tex]
You will need to rewrite is as:
[tex]\frac{11}{5} x=\frac{7}{4}\\[/tex]
Then time 20:
[tex]44x=35\\[/tex]
Therefore:
[tex]x=\frac{35}{44}[/tex]
