Respuesta :
2b=81
you have to divide both sides by 2 to get rid of the 2 on the left side.
2/2b=81/2
b=40 1/2 or 40.5
you have to divide both sides by 2 to get rid of the 2 on the left side.
2/2b=81/2
b=40 1/2 or 40.5