x+ x+6+ 5x =34
combine like terms
7x+6 = 34
subtract 6 from each side
7x+6-6 = 34-6
7x = 28
divide by 7
7x/7 = 28/7
x =4
x is cows
5times as many chickens as cows
chickens = 5x
chickens = 5*4 = 20
money for chickens = 20* 1.75 = 35.00
he made $35.00 for his chickens