If x - 6 = 12 then x + 6 = ?

I’m positive it’s x=18 because add 6 to both sides, and add 6 plus 12.

“exterior angles of triangles. an exterior (or external) angle is the angle between one side of a triangle and the extension of an adjacent side. try this drag the orange dots on any vertex to reshape the triangle.” look to get to the answer i explained what it means and other things i hope it you .