Juanita wants to model the equation 3x+2 = -x+ 6. She begins with the tiles below.
How can Juanita complete her model?
Put 4 yellow unit tiles on the left side of the equal sign.
Put 4 yellow unit tiles on the right side of the equal sign.
Put 6 green x-tiles on the right side of the equal sign.
Put 6 yellow unit tiles on the right side of the equal sign.