Question

Find the Solution of the following simultaneously equation :
X + 2y = -1 ; 2x - 3y = 12​

Answer 1

Answer:

X + 2y = -1 (1)

2x - 3y = 12 (2)

(1)=>x = -1-2y

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

=> -2-4y-3y=12

=> -7y=14

=> y= -2

(1)=> x = -1-2(-2)

=> x = 3

therefore, x=3 y= -2