Question

7x+2y=11
-2x+3y=29
How do you solve this problem?

Answer 1

X=1 y=2 for the first one

Answer 2

you subsitute 11-2y/7 when you do that you get -2 11-2y/7 +3y=29: y=9 isolate y -2 11-2y/ +3y=29 y=9
x= 11-2 . 9/7 x= -1
Y=9 X=-1