Question

0.2x +0.3y =1.3
0.4x +0.5y=2.3


solve by substitution method


plz provide valid answer for brainlist​

Answer 1

Answer:

multiply both the eq. by 10

2x+3y=13----------(1)

4x+5y=23---------(2)

multiplying (1) by 2

4x+6y=26-----(3)

4x+5y=23-----(2)

-. -. -.

------------------------------- ( by subtracting )

y = 3

substitute y = 3 in (1)

2x+3y=13

2x+3(3)=13

2x+9=13

2x=13-9

2x=4

x=2

Answer ( x , y ) = ( 2 , 3 )

Answer 2

Answer:

Hope it works...............................™✌️✌️