Answer:
The answer is "[tex]x= -\frac{19}{5} \ and \ y= - \frac{99}{5}[/tex]"
Explanation:
[tex]\to x-y=16..........(a) \\\\ \to 7x+2y=13.........(b)\\[/tex]
In equation (a) multiply by 2 then subtract from the equation (b):
[tex]7x+2y=13\\\\2x-2y=32\\\\- \ -\ = -\ \\\\5x = -19 \\\\x= -\frac{19}{5}[/tex]
put the value of x in equation (a):
[tex]-\frac{19}{5} -y=16\\\\ -y=16 +\frac{19}{5}\\\\-y= \frac{80+19}{5}\\\\y= -\frac{99}{5}[/tex]
