Question

if x =5 and y=3,find the value of 7x-4y​

Answer 1

7*5 - 4*3

35 - 12

23

Therefore the answer is 23.

Hope it helps :-)

Answer 2

$x = 5 \\ y = 3 \\ 7x - 4y =(7 \times 5) - (4 \times 3) \\ = 35 - 12 \\ = 23$

Answer : 23

Hope this will help.....