Răspunsuri

2014-08-20T15:53:43+03:00
A) x = (-11) * (-3) = 33
b) -6 =x-3 = 6
x-3 = 6 , => x =9
-6=x-3 -> x =-3
c)-x ≤ 4-5
-x 
≤ -1 / (inmultesc cu -1 si se schimba semnul)
x ≥ 1


2014-08-20T15:53:53+03:00
A)x=11÷3
b)|x-3|=6=> x-3=6, x=9
c)-x≤-1|×-1 => x≥1 x∈[1,+infinit]