There are 71 chickens and rabbits in the same cage. There are 98 chicken feet less than rabbit feet. How many chickens and rabbits are there?
Suppose there are x rabbits, then there are 71-x chickens. According to the meaning of the question, 4x - (71-x) × 2 = 98, & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; 4x-142 + 2x = 98, & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; 6x-142 = 98, & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; & nbsp; 6x = 1