👤

Daca 3a+6b= 50,afla a+ 2b

Răspuns :

3a + 6b = 50
3 ( a + 2b ) = 50
a + 2b = 50 : 3
a + 2b = 16,(6)
3a+6b=50
3(a+2b)=50
a+2b=50:3
a+2b=16,6