Question

What is the difference between variable N and N$









































































































pls answer the question​

Answer 1

Answer:

Difference between Variable and Constant

A constant does not change its value and it remains the same forever. A variable, on the other hand, changes its value from time to time depending on the equation. Constants are usually represented by numbers.

Answer 2

Answer:

plz search on g i can't understand

Explanation:

When 3 is added to 7 times a number the sum becomes 31. find that number? x=9