Y = -6.
-2(7)-2y=-2
-14-2y=-2
you need to move -14 to the other side by canceling out -14 with +14, and add +14 to -2, giving you -2y=12. -2/12=-6
Answer:
Equation to represent the situation = 
Step-by-step explanation:
Given:
Initial investment = Y
Growth rate (r) = 5% = 5 / 100 = 0.05
Number of year (n) = X year
Amount after X year = $800
Find:
Equation to represent the situation:
Computation:

Equation to represent the situation = 
Answer:
10 pastries
Step-by-step explanation:
To find how many they made in 1 hour, divide 35 by 3 1/2
35/3.5
= 10
So, he made 10 pastries in 1 hour