No you can’t add them, but you can do this: 7x+7 =0
-7 -7
7=7x
/7 /7
1=x
I got A, -32, but it has been awhile since I have learned this in my math class. You might want to wait for someone else to verify this answer.
Answer:
When x = 6.
Step-by-step explanation:
WE need to solve the system:
y = - x^2 + 4x + 4
y = -2x + 4
Equating:
- x^2 + 4x + 4 = -2x + 4
0 = x^2 - 4x - 4 - 2x + 4
x^2 - 6x = 0
x(x - 6) = 0
x = 0, 6.
Answer:
Brianna and Kayla will make the same amount of money after working for 5 hours. Both will make $25.00 by this time.
