3a + 5b = 26 ; a + 5b = 22 Please solve this question

Dear student,
3a+5b=26.......(1)  ; a+5b=22.......(2)
(1)-(2)
3a+5b-(a+5b)=26-22
=> 2a=4
=> a=2
Put value of a in (2)
2+5b=22
5b=20
b=4
Regards