Answer:
Step-by-step explanation:
1) Write 8x+14 as 2(4x+7) and now multiply by 1/2 so that we get 4x+7
2)Subtract 7 from both sides
4x+7=39
-7 -7
4x=32
3) Divide by 8
x=8
Thus we get x=8 as answer
So reasons are
i) Distributive property
ii) Subtraction property of equality
iii) Division property of equality
You have two of the same question man...
Answer:

Step-by-step explanation:
Given:

Required
Determine the domain
A relation is represented as: 
Where:
are the domain of the relation
So, by comparison:
or
represents the domain