1,2(3y+5)=2(2,4y-3,6)
3.6y+6=4.8y-7.2
6+7.2=-3.6y+4.8y
13.2=1.2y
y=11
ответ:11
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1,2(3y+5)=2(2,4y-3,6)3,6y+6=4,8y-7,2
3,6у-4,8y=-7,2-6
-1,2у=-13,2
у= 11
1,2(3y+5)=2(2,4y-3,6)
3.6y+6=4.8y-7.2
6+7.2=-3.6y+4.8y
13.2=1.2y
y=11
ответ:11