Respuesta :
The number you are thinking of is 21.
2x+6=54
take 2x+6=54 move 6 to the other side
2x=54-6 now we have
2x=48 now divide both sides by 2
x= 24
2x+6=54
take 2x+6=54 move 6 to the other side
2x=54-6 now we have
2x=48 now divide both sides by 2
x= 24