Odpowiedzi

2010-03-27T12:28:43+01:00
6(x-3)-2(x+2)=10
6x-18-2x-4=10
4x=32 / 4
x=8
1 5 1
2010-03-27T12:29:49+01:00
6x-18-2x+4=10
6x-2x=18+4-10
4x=12/:4
x=3
1 1 1
2010-03-27T12:31:19+01:00
6(x-3)-2(x+2)=10
6x-18-2x-4=10
6x-2x=10+18
4x=28/ :4
x = 7
2 3 2