Question

4x - 2y = 46
x + y = 2
Por sustitucion porfavor

Answer 1

Veamos :
X+y =2
X=2-y

=> reemplazamos "x" :
4x-2y=46
4(2-y) -2y=46
8-4y-2y=46
-6y=46-8
-6y= 38
Y= 38/ -6
Y= - 19/3

=> hallamos "x" :
X=2-y
X= 2- (-19/3)
X= 2+ 19/3
X= 25/3

Espero te sirva!!!