Question

Escalone e resolva os sistemas
{x + y = 5
12x - y = 1

Answer 1

Resposta:

Explicação passo-a-passo:

x+y=5

12x-y=1

______

13x+0=6

13x=6

x=6/13

x+y=5

6/13+y=5

y=5-6/13

y=65/13-6/13

y=59/13