👤

1. Daca x/6=5/3,atunci x este egal cu....
2.Rezolvand ecuatia x:1/2=6 obtinem solutia...
3.Rezolvand ecuatia 2x+7=1 obtinem solutia rationala...


Răspuns :

1. x= 6x5/3 = 30/3 = 10
2. x= 6x(inversul fractiei 1/2 ) deci x= 6x2 = 12
3 2x=1-7=-6 => x = -6/2 = -3 
:*
1. x/6=5/3
⇒x=5×2
⇒x=10

2.x/1/2=6
⇒x/1/2=6/1
⇒x=6/1×1/2
⇒x=3/1×1/1
⇒x=3;

3.2x+7=1
2x=1-7
2x=-6
x=-6/2
x=-3=-3/1=-3,000...