Explanation
Step 1
let n represents the number
so,
Five times a number
[tex]5\cdot n=5n[/tex]hence
Five times a number, minus three
[tex]5n-3[/tex]"is" can written as equal (=),so
Five times a number, minus three, is twelve.
[tex]5n-3=12[/tex]I hope this helps you
