Respuesta :
From first y=4-2x
Place it in the second one
3x-(4-2x)=6
3x-4+2x=6
5x=6+4
5x=10
So C
Place it in the second one
3x-(4-2x)=6
3x-4+2x=6
5x=6+4
5x=10
So C