Odpowiedzi

2010-02-10T17:42:31+01:00
4(x-1)=6(1=x)
4x-4=6+6x
-2x=10 /:(-2)
x=5
1 5 1
2010-02-10T17:42:58+01:00
4(x-1) = 6(1+x)
4x - 4 = 6 + 6x
4x - 6x = 6 + 4
-2x = 10 /÷(-2)
x = -5
1 1 1