Пхзаазпхзхазх;)
5 - (1 1/2u+ 1/3)*6= 2 1/3u - 5 1/2
5- (9u+2)=2 1/3u - 5 1/2
5-9u-2=2 1/3u- 5 1/2
-9u-2 1/3 u = -5 1/2 -5+2
-11 1/3u=-8 1/2
u=8 1/2 : 11 1/3
u=17/2:34/3
u=17/2*3/34
u=3/4
u=0.75
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