Question

x+2y=-1,2x-3y=12 simultaneous equations​

Answer 1

Answer: x=3 y= -2

Explanation:

x+2y = -1

2x-3y= 12

x= -1-2y -------- equation 1

2(-1-2y) -3y = 12

-2-4y-3y = 12

-2-7y = 12

-7y = 14

y = -2

x+ 2(-2) = -1

x-4 = -1

x= 3