We have the following expression given:
[tex]9-4x\text{ +3y}[/tex]We have some conditions given:
[tex]x=8,\text{ y= 3}[/tex]Then we just need to replace these conditions into the equation and we got:
[tex]9-(4\cdot8)+\text{ (3}\cdot3\text{)= 9}-32+9=18-32=\text{ }-14[/tex]