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2010-03-03T16:47:35+01:00
6x=3
x=1/2

-3x=7
x=-2 1/3

2x=1/5
x=1/10=0,1

1,2x=4,8
x=4
2010-03-03T16:48:26+01:00
A) 6x=3
x=3:6
x=3/6
x=1/3
b) -3x=7
x=7:(-3)
x=-3/7
c) 2x=1/5
x-1/5:2
x=0,1
d) 1,2x=4,8
x=4,8:1,2
x=4
2010-03-03T16:48:28+01:00
6x=3 |:6
x = 3/6
x= ½
x= 0,5


-3x=7 |:(-3)
x = -7:3
x = -2 ⅓


2x=1/5 |:2
x = 1/5 ×2
x = 2/5

1,2x=4,8 |:1,2
x = 4

pozdrawiam :)