Question

5x+4/y=9,7x-2/y=5 by substitution method ​

Answer 1

Answer:

x=y=1

Step-by-step explanation:

5x+4/y=9

solve for x, x= 9y-4/5y

put this x value in 7x-2/y=5

we get => 7(9y-4)/5y - 2/y =5

=> y=1

then put this y value in 5x+4/y=9,

we get x=1