Answer:
Explanation below.
Step-by-step explanation:
1. a. 
b. 
c. x=144
2. a. 
b. x= 14
3.

4.

3x - 5 1/2 is the expression
It helps you know what to multiply and the product when you subtracting and adding fractions.
<span>the correct answer is -4 - 0.144337567 i</span>