Question

8x + 7y = 39 4x – 14y = –68

Answer 1

Answer:

Step-by-step explanation:

Answer 2

Answer:

x=1/2

y=5

Step-by-step explanation:

Given,

8x+7y=39 ===(eqn 1) ×2

=16x+14y=78

also,

4x-14y=-68===(eqn 2)

now,

add {eqn ((1)×2)&(2)}

20x=10

x=1/2

similarly,

y=5.

Hope this help...☺️