Question

Doresc o rezolvare prin algebra sau o rezolvare prin metoda grafica la exercitiul : a+3=2×b=c×3=18

Answer 1

c=18/3⇒c=6;
⇒2b=6⇒b=6/2
⇒b=3;
⇒a+3=3⇒a=3-3
⇒a=0;

Answer 2

c×3=18⇒c=18:3⇒c=6
2xb=18⇒b=18:2⇒b=9
a+3=18⇒a=18-3⇒a=15