Answer:
[tex]\frac{7}{3}[/tex]
Step-by-step explanation:
Substitute -1 in place of y in the equation:
[tex]3x -4(-1)=11\\3x=7\\x=\frac{7}{3}[/tex]
(7/3, -1)
3x -4y=11
Let y = -1
3x -4(-1) = 11
3x +4 =11
Subtract 4 from each side
3x+4-4 = 11-4
3x = 7
Divide each side by 3
3x/3 = 7/3
x = 7/3
