Answer:
The expression for c is
[tex]c = \frac{b + 1}{a} [/tex]
Step-by-step explanation:
The given equation is
[tex]ac - b = 1[/tex]
To find an expression that represents,c we need to make c the subject.
Add b to both sides
[tex]ac = 1 + b[/tex]
We now divide both sides by 'a'
[tex] \frac{ac}{a} = \frac{b + 1}{a} [/tex]
Simplify the LHS to get:
[tex]a= \frac{b + 1}{a} [/tex]