How to translate equation into a sentence. 7 (p+23) = 102

Seven times the sum of p and twenty-three is equal to one hundred-two

The equation says that "Seven times twenty-three more than

a number called 'p' is equal to one hundred two."

If you want to, you can go a step further, and use that information to

figure out what the number called 'p' actually is. But it's not necessary.