Respuesta :

Answer:

x=6

Step-by-step explanation:

y = 2x

x= -y+6

make y subject to make equations equal

y = 2x, y= 6-x ---> 6-x = 2x, x=6

kids58571
x=6

Explanation: Y=2X , X=-y+6

6 2+2+2= 6

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