Answer: 2.5
Step-by-step explanation: subtract 2x from both sides and get 4x-2=8 so then add 2 on both sides to get 4x=10 and last step is to divide both sides by 4 which wild get you x=2.5
Answer:
Step-by-step explanation:
a
a = -3
:)))))))))))))))
u can use a calculator
use BODMAS rule
Option B
Total Probability = 1
Probability of passing = 0.77
Probability of failing = 1-0.77
=> 0.23
