doprowadż do najprostszej postaci.
-(3x-2+7y)+(8x+y-4)-5x
-(3x-2+7y)+(8x+y-4)-5x= -3x+2-7y+8x+y-4-5x= 0x-2-6y= -2-6y
najprostsza postać: -2-6y
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-(3x-2+7y)+(8x+y-4)-5x= -3x+2-7y+8x+y-4-5x= 0x-2-6y= -2-6y
najprostsza postać: -2-6y