Odpowiedzi

2010-01-09T13:25:40+01:00
2010-01-09T13:26:04+01:00
A) (2x-3)+(3x-4)-(6x+1)= 2x-3+3x-4-6x-1=-x-8
b) -(3x+2)+(4y-3x+4)-22= - 3x - 2 +4y - 3x + 4 - 22 = 4y - 24
c)2x-4x-3)+(2x-2)- x-5)= 2x - 4x - 3 + 2x - 2 - x + 5 = - x
2010-01-09T13:26:54+01:00
A)(2x-3)+(3x-4)-(6x+1)=2x-3+3x-4-6x-1=-x-8
b)-(3x+2)+(4y-3x+4)-22=-3x-2+4y-3x+4-22=4y-20
c)2x-4x-3)+(2x-2)- x-5)=2x-4x-3+2x-2-x+5=-x