Respuesta :

3.2-4d=2.3d+3 Subtract from both sides 3: 0.2-4d=2.3d Add to both sides 4d: 6.3d=0.2 Dived both sides by 6.3: d=31.5
3.2-4d=2.3d+3 3.2-3=2.3d+4d0.2=6.3dd = 0.031746