(19,554у-23,2+5,446у)-15=13,7
19.554y – 23.2 + 5.446y – 15 = 13.7
19,554y + 5,446y = 13,7 + 15 + 23,2
25y = 51.9
y = 2.076
(19,554у-23,2+5,446у)-15=13,7
19.554y – 23.2 + 5.446y – 15 = 13.7
19,554y + 5,446y = 13,7 + 15 + 23,2
25y = 51.9
y = 2.076