Answer:
[tex]x=\frac{10}{c}[/tex]
Step-by-step explanation:
Given equation is [tex]3(cx-7)=9[/tex]. We require x in terms of c.
[tex]3(cx-7)=9[/tex]
Dividing both sides with 3 we get
[tex](cx-7)=3[/tex]
Add 7 on both sides we get
[tex](cx)=10[/tex]
Dividing both sides with c we get
[tex]x=\frac{10}{c}[/tex]