Zapisz w jak najprostrzej postaci:
3(a+b)+(a-2b)=
-4(x-z)-(x+y)=
5(4x-7)+(7-4x)=
3a+3b+a-2b=4a+b
-4x+4z-x-y=-5x+4z-y
20x-37+7-4x=16x-30
3(a+b)+(a-2b)=3a+3b-a+2b=2a+5b-4(x-z)-(x+y)=-4x+4z-x-y=-5x-y+4z5(4x-7)+(7-4x)=20x-35-7+4x=24x-42
Pozdrawiam ;)
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3a+3b+a-2b=4a+b
-4x+4z-x-y=-5x+4z-y
20x-37+7-4x=16x-30
3(a+b)+(a-2b)=3a+3b-a+2b=2a+5b
-4(x-z)-(x+y)=-4x+4z-x-y=-5x-y+4z
5(4x-7)+(7-4x)=20x-35-7+4x=24x-42
Pozdrawiam ;)