uprość podane wartości redukując wyrażenia podobne
a) 3(x-y+7)- 4(2x+5)+ 2(4-6y)=
b) 2(3a-7b)- 3(4b+5c)- 7(4z+c)=
3x-3y+21-8x-20+8-12y= -5x-15y+9 6a-14b-12b-15c-28z-7c= 6a-26b-22c-28z
A) 3x-3y+21-8x-20+8-12y= -5x-15y+9
B) 6a-14b-12b-15c-28z-7c= 6a-26b-22c-28zChyba tak...
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3x-3y+21-8x-20+8-12y= -5x-15y+9
6a-14b-12b-15c-28z-7c= 6a-26b-22c-28z
A) 3x-3y+21-8x-20+8-12y= -5x-15y+9
B) 6a-14b-12b-15c-28z-7c= 6a-26b-22c-28z
Chyba tak...