Question

Resolva o sistema |3x+y=-16 |4x-10=2y

Answer 1

3x + y = -16  *(2)
4x - 2y = 10  

6x + 2y = -32
4x - 2y = 10

10x = -22
x = -22/10
x = -11/5

3x + y = -16
3*(-11/5) +y = -16
-33/5 + y = -16
-33 + 5y = -80
5y = -80 +33
5y = -47
y = -47/5


Resposta: O valor de x = -11/5 e y = -47/5.