Respuesta :

LegendaryBeast28
Whatever you plug into (as x) as one side of the equation, it also goes to the other xs on the other side.
If k(x) was k(5) the xs on the other side of the equation would also have x be 5, hope it helped :)
xxinpiecesxxp3c80k
Download photomath it helps a lot it even gives you step by step