300x/7 - 72/7 - 96 = 108
300x - 72 - 672 = 756
300x = 1490
x = 1490/300 = 149/30
300х-72/7-96=108
300х-72-672=756
300х-744=756
300х=756+744
300х=1500
1500:300
х=5
300x/7 - 72/7 - 96 = 108
300x - 72 - 672 = 756
300x = 1490
x = 1490/300 = 149/30
300х-72/7-96=108
300х-72-672=756
300х-744=756
300х=756+744
300х=1500
1500:300
х=5