Wykonaj odejmowanie: a) 17a-(2b-3a)= b) 3,5a-(12a-4,5+b)= c) 25x-(4x+18y-9)= d) (32x-22y+45)-6x= e) (3a-2)-(24a-7)= f) (24x-y+35)-(6x-12)= g) -(27a-31)-(5a+2)-19= h) (54x-30)-(11x-25)-(22x-9)= Proszę zróbcie mi to :)

a) 17a-(2b-3a)=17a-2b+3a=20a-2b b) 3,5a-(12a-4,5+b)=3,5a-12a+4,5-b=-8,5a-b+4,5 c) 25x-(4x+18y-9)=25x-4x-18y+9=21x-18y+9 d) (32x-22y+45)-6x=26x-22y+45 e) (3a-2)-(24a-7)=3a-2-24a+7=-21a+5 f) (24x-y+35)-(6x-12)=24x-y+35-6x+12=18x-y+47 g) -(27a-31)-(5a+2)-19=-27a+31-5a-2-19=-32a+10 h) (54x-30)-(11x-25)-(22x-9)=54x-30-11x+25-22x+9=21x+4

a) 17a-(2b-3a)=17a+2b+3a=20a-2b b) 3,5a-(12a-4,5+b)=3,5a-12a+4,5-b=-8,5a-b+4,5 c) 25x-(4x+18y-9)=25x-4x-18y+9=21x-18y+9 d) (32x-22y+45)-6x=32x-22y+45-6x=26x-22y+45 e) (3a-2)-(24a-7)=3a-2-24a+7=-21a+5 f) (24x-y+35)-(6x-12)=24x-y+35-6x+12=18x-y+47 g) -(27a-31)-(5a+2)-19=-27a+31-5a-2=-32a+10 h) (54x-30)-(11x-25)-(22x-9)=54x-30-11x+25-22x+9=21x+4   Powinno być dobrze. Pozdrawiam