Answer:

Step-by-step explanation:
Given

Required:
Simplify
We start by opening the bracket


Collect Like Terms

Hence, the equivalent expression is 
Answer:
FG = 10
Step-by-step explanation:
EF = x + 2 ; FG = 2x - 6
F is the mid-point of EG. So, EF = FG



FG = 2×8 - 6 = 10
A: number of nonfiction books
b: number of fiction books
a+b=2000
a=3b
b=500
a=1500
Answer:
1. Yes the parentheses are necessary. To find a fourth of her regular hours you must find the total amount she works during her regular hours.
2. 6
Step-by-step explanation:
(For the second question)
4+8= 12
12 × ½ = 12 ÷ 2
12÷2 = 6
Answer:
x=6
Step-by-step explanation:
1) Expand the equation to -2x+12=2x-12
2) Subtract 12 from both sides which gives you -2x=2x-24
3) Simplify, which makes it -4x=-24
4) Divide by 4, which gives you 6.