ANSWER
a) One Solution
b) the solution is x=2
EXPLANATION
The given equation is:
[tex]5(2x - 3) = 5[/tex]
We expand to get;
[tex]10x - 15 = 5[/tex]
Group similar terms;
[tex]10x = 15 + 5[/tex]
This implies that,
[tex]10x = 20[/tex]
Divide both sides by 10 to obtain,
[tex]x = 2[/tex]