Question

Q23.Find the value of y if ( 4
5
)
9-y ÷( 4
5
)
2y
= ( 4
5
)4y - 5​

Answer 1

Answer:

hope it will help yu

Step-by-step explanation:

5x + 3y = 9 -----(I)

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

Add (I) and (II)

7x = 21

x = 3

Putting the value of x = 3 in (I) we get

5(3)+3y=9⇒15+3y=9⇒3y=9-15=-6⇒y=-2

Thus, (x, y) = (3, -6).