6) -5(3а+1)+11=-16-2(3-а) 8) (4/1/6y+11/1/4)*4/15=2/3y+5/2/3 (Дроби.)
9) 0,9*(4y-2)=0,5(3y-4)+4,4
10) 8,5x-2,15x=3,05x-9,5
11) 2/1/2у-1,27=3/4у-4,77
12) -3(2,1x-4)-4,2=1,2(-5x+0,5)
9) 0,9*(4y-2)=0,5(3y-4)+4,4
10) 8,5x-2,15x=3,05x-9,5
11) 2/1/2у-1,27=3/4у-4,77
12) -3(2,1x-4)-4,2=1,2(-5x+0,5)
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