Respuesta :

5e+3>e+12 Subtract 3 from both sides 5e>e+9 Subtract e from both sides 4e>9 Divide Final Answer:2.25
5e+3=e+12

solving:
3+5e=12+e
3+5e+-1e=12+e+-1e
5e+-1e=4e+3+4e=12+e+-1e
e=-1e=0
3+4e=12+0
3+4e=12
3+-3+4e=12+-3
0+4e=12+-3
4e=12+-3
12+-3=9
4e=9
divide each side by(4)
e=2.25