Odpowiedzi

2009-11-17T16:42:46+01:00
¾(2-3x) = -6

1,5 - 2,25x = -6
2,25x = 7,5
x = 3 ⅓
2009-11-17T16:44:38+01:00
¾ × (2-3x)=-6
3/2 × (-9/4x) = -6
-9/4= 9
x=-4
2009-11-17T16:51:15+01:00
0,75*(2 -3x) = -6
1,5 -2,25x = -6
-2,25x = -6 -1,5
-2,25x = -7,5/:(-2,25)
x = 3,(3)