Question

2x +3y=12;x-y=1 tell me answer ​

Answer 1

Answer:

X=3.5  ; y=2.5

Step-by-step explanation:

2x +3y=12;x-y=1  

x=1+y-----(1)

2x+3y=12------(2)

Sub (1) into (2)  

2(1+y)+3y=12

2+2y+3y=12

          4y=12-2

          4y=10

            y=10/4

            y=2.5#

           

Sub y=(2.5) into (1)  

X=1+(2.5)

  =3.5#

X=3.5  ; y=2.5

Answer 2

Answer:

this is your answer hope it's help you