Nope cannot serve two masters
Ex:34:14: For thou shalt worship no other god: for the LORD, whose name is Jealous, is a jealous God:
De:4:24: For the LORD thy God is a consuming fire, even a jealous God.
De:5:9: Thou shalt not bow down thyself unto them, nor serve them: for I the LORD thy God am a jealous God, visiting the iniquity of the fathers upon the children unto the third and fourth generation of them that hate me,
De:29:20: The LORD will not spare him, but then the anger of the LORD and his jealousy shall smoke against that man, and all the curses that are written in this book shall lie upon him, and the LORD shall blot out his name from under heaven.
De:32:16: They provoked him to jealousy with strange gods, with abominations provoked they him to anger.
Enough for now