Explicación paso a paso:
y = 2x+2
reemplazas
y+x=4
2x+2+x=4
3x+2=4
3x= 2
x = 2/3
ENTONCES
y= 2x2/3 +2
y= 4/3 + 2
y = 10 /3
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Explicación paso a paso:
y = 2x+2
reemplazas
y+x=4
2x+2+x=4
3x+2=4
3x= 2
x = 2/3
ENTONCES
y= 2x2/3 +2
y= 4/3 + 2
y = 10 /3