6,2*(3,2х)=20-(12,4х+1,4)
19.84x = 20 – 12.4x – 1.4
19,84x + 12,4x = – 1,4 + 20
32.24x = 18.6
3224x = 1860
26x = 15
x = 15/26
х=0,57692307692
6,2*(3,2х)=20-(12,4х+1,4)
19.84x = 20 – 12.4x – 1.4
19,84x + 12,4x = – 1,4 + 20
32.24x = 18.6
3224x = 1860
26x = 15
x = 15/26
х=0,57692307692