(3/14+5/21x):3/7= 3 1/4

Question

(3/14+5/21x):3/7= 3 1/4

Answer 1

3/14:3/7+5/21х:3/7=3 1/4
1/2+5/9х=3 1/4
5/9х=3 1/4-1/2
5/9х=3,25-0,5
5/9х=2,75
х=4(целых)19/20