Answer :
c= cat d=dog
(7+c) + d =45
-7 -7
c+d= 38/2 = 19
so there are 19 dogs and 26 cats (19+7)
(7+c) + d =45
-7 -7
c+d= 38/2 = 19
so there are 19 dogs and 26 cats (19+7)