Answer:
-2
Explanation:
9e-7 =7e-11
9e=7e-4
2e=-4
e=-2
9e + 4 = -5e + 14 + 13e
9e + 4 = 8e + 14
e + 4 = 14
e = 10
Hope this helps! ;)
8.3m questions
10.9m answers