Substitute first Y for the second Y
So it would be x + x + 6 = -2
Then it would be 2x +6 = -2
Move the 6 over so it would be 2x =-8
Divide by 2 your answer is x = -4
Answer:
The amount of interest earned would be $134.87 for a total of $634.87 after 6 years.
Simple. The answer is 3.2.