Question

solve the equation by elimination method and substitution method: 4/x + 3y = 14 , 3/x - 4y = 23 ​

Answer 1

Answer:

4xy+3y=14

3x-4y=23

by elimination

3(4x+3y=14)

12x+9y=42

4(3x-4y=23)

12x-16y=92

12x-16y=92

-(12x+9y=42)

-25y=50

=y=-2