7,4 а+2,6б-(2,5а-3,7б)=7,4а+2,6б-2,5а+3,7б=4,9а+6,3б
5(2а+1)-3=10а+5-3=10+2
14х-(х-1)+(2х÷6)-14x-x+1+x/3=13x+x/3+1=39x/3+x/3+1=40x/3+1
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7,4 а+2,6б-(2,5а-3,7б)=7,4а+2,6б-2,5а+3,7б=4,9а+6,3б
5(2а+1)-3=10а+5-3=10+2
14х-(х-1)+(2х÷6)-14x-x+1+x/3=13x+x/3+1=39x/3+x/3+1=40x/3+1