Odpowiedzi

2010-01-03T23:59:58+01:00
X-1+(2-3x)=2x+4-(x-1)
x - 1 + 2 - 3x = 2x + 4 - x + 1
x - 3x - 1 + 2 = 2x - x + 4 + 1
-2x + 1 = x + 5
-2x - x = 5 - 1
-3x = 4
x = -4/3
2010-01-04T00:01:09+01:00
X-1+(2-3x)=2x+4-(x-1}
x-1+2-3x=2x+4-x+1
x-3x-2x+x=4+1+1-2
-3x=4
x=-4/3
2010-01-04T00:02:26+01:00
X-1+(2-3x)=2x+4-(x-1}
x-1+2-3x=2x+4-x+1
-2x+1=x+5
-3x=4
x=-4/3