Question

Abel Save a 43 more nickels than dimes. After he spents 17 dimes, he had twice as many nickel than dimes . How many coins did he have left ?

Answer 1

number of dimes --- x
number of nickels -- x+43

he spends 17 dimes, so he has x-17 dimes left

x+43 = 2(x-17)

continue ....