prosze zróbcie mi to na dzis błagam4(5+x)=
8(x-3)=
0,4(8+w)=
0,7(-k-3)=
3(a+b)=
4(3z-8)=
-0,9(x+y)=
2(2a+2b+3c)=
błagam na dzis nie na jutro
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8(x-3)=8x-24
0,4(8+w)=3,2+0,4w
0,7(-k-3)=-0,7k-2,1
3(a+b)=3a+3b
4(3z-8)=12z-32
-0,9(x+y)=-0,9x-0,9y
2(2a+2b+3c)=4a+4b+6c