Answer:
The equation for this is: [tex]3(n+10) = 42[/tex]
Step-by-step explanation:
We have that the number though is n.
Adds 10:
This means that now we have: [tex]n + 10[/tex]
Multiplies by 3:
This means that now we have: [tex]3(n+10)[/tex]
Gets 42:
This means that: [tex]3(n+10) = 42[/tex]