Odpowiedzi

2009-12-18T13:47:47+01:00
2x-10 =4(x+1)
2x-10=4x+4
2x-4x=4+10
-2x=14/:(-2)
x=-7
2009-12-18T13:59:14+01:00
2 x-10 =4(x+1) 2 x-10=4x+4 2 x-4x=4+10 -2 x=14/:(-2) x=-7