Question

Пж помогитете пжпжпжжп​

Answer 1

$\displaystyle1)3,3a+(a-4)=3,3a+a-4=4,3a-4\\\\ 2)5,3b-(2b+3)=5,3b-2b-3=3,3b-3\\\\ 3)2c-(9-5,1c)=2c-9+5,1c=7,1c-9\\\\ 4)3(x-7)+5x=3x-21+5x=8x-21\\\\ 5)(y-4)*2+10y=2y-8+10y=12y-8\\\\ 6)4x+2(0,5x+3)=4x+x+6=5x+6$