Answer:
x = 28/3
Step-by-step explanation:
3x - 1 = 27
Add 1 to each side
3x - 1+1 = 27+1
3x = 28
Divide by 3
3x/3 = 28/3
x = 28/3
Answer:
a. Andrea is incorrect
b. By solving for x, we find that x does not equal 8, but it is equal to 7.
Step-by-step explanation:
8+4=2(x-1)
8+4=2x-2
12=2x-2
14=2x
x=7
Answer:
14.64
Step-by-step explanation:
A negative times a negative equals a positive and there are 2 decimal places.
84% -Justin
90% -Stephanie
Stephanie scored 6 points higher.
-17 17
----- -(-17) ----
8 ---- -8
8
