8,2t-4,4t=38,38
(10.49-s)/4.02=0.805
9k-8.67k=0.6699
ПЛИЗ РЕШИТЕ
8,2t-4,4t=3.8t=38.08
t=38.08/3.8t=10.02105
0.805*4.02=3.2361
10.49-3.2361=7/2539
9k-8.67k=0.33k=0.6699
0.33k=0.6699
k=0.6699/0.33
k=2.03