Question

(7x2 - 6xy +12y = 108,
2)
7
y? = 18.
6 8
5
x2
XY +
2
2.
y?
2)
= 3,
+
Y х
x + y = 2.​

Answer 1

7х2-6ху+12у=108

7х-6х-у+12у=108/2

х-11у=54

х-11у=54