Answer:
A. [tex]x=\frac{11}{c}[/tex]
Step-by-step explanation:
To solve this problem you must apply the proccedure shown below:
1. You have the following equation given above:
[tex]cx-4=7[/tex]
2. The negative four will pass as a positive four to the rigth member.
3. Te sum of 7 and 4 will be divided by [tex]c[/tex], as following:
[tex]cx=7+4\\cx=11\\x=\frac{11}{c}[/tex]
