Question

решить систему уравнений способом сложения.​

Answer 1

Răspuns:

Explicație pas cu pas:

x/2 - y/4 = 0

x/2 = y/4

y = 4x/2 = 2x

Inlocuim in a doua ecuatie

x/3 + 2y/3 = 10

x/3 + 4x/3 = 10

5x/3 = 10

x = 3*10/5 = 30/5 = 6

y = 2x = 2*6 = 12