4a+3b=3 3a+2b=1

Answer 1

(i) 4a+3b = 3
(ii) 3a+2b = 1
multiply (i) by 2 and (ii) by 3 to get
8a+6b = 6
9a+6b = 3
now subtract and you have
a = -3
use that to get b = 5