Step-by-step explanation:
Let the number of frogs be x.
According to statement,
2 more than the number of frogs is 4 .
So,
[tex]\boxed{\tt{2 + x = 4}}[/tex] is the required Equation.
If solution, then,
[tex]x = 4 - 2[/tex]
[tex]x = 2[/tex]
Hope it helps :)