Answer:

Step-by-step explanation:
Take out 3x from both sides:
5x - 3x = 3x - 3x
2x = 0
2x + 9 = 1
Take out 9 from both sides:
9 - 9 = 1 - 9
0 = -8
Divide 2 from both sides:


Answer:
7y^2
Step-by-step explanation:
Answer:
Most expensive house she can buy is $79,500
Step-by-step explanation:
Answer: 
Step-by-step explanation:
Given
Half life of radioactive substance is 
Initial amount 
Amount left at any time is given by

It takes 26.4 days to reach 2 gm.