Question

solve by substitution method 2x+3y=9,4x-5y=7​

Answer 1

Answer:

answer is 66

I hope this will help you

Answer 2

Answer:

Given,

2x= 9-3y

X= 9-3y/2. (1)

Now,

4x-5y =7

4 X 9-3y /2 - 5y = 7

18 - 6y - 5y = 7

18+7 = 11y

Y = 25/11

Now,

X =( 9-3 x 25/11) /2

=( 9-75) /22

= 66/22

= 3

Hence, X = 3 and Y = 25/11

If it helps you then please mark me brainliest for next level.

Thanks