Question

(x-3).(2y+1)=7

 

Answer 1

(x-3).(2y+1)=7 

=> (x-3).(2y+1)=1.7

Vậy nếu x-3=1 thì x=4; y=3

Nếu x-3=7 thì  x=10;y=0

Answer 2

(x-3).(2y+1)=7

=>(x-3).(2y+1)=1.7

vậy nếu x-3=1 thì x=4; y=3

nếu x-3=7 thì x=10;y=10

tick nha