Answer to a problem (6+7) - (8+2) is called

The answer to an expression/equation is called the solution (the solution to this problem is 3)

Step-by-step explanation:

1) The problem is an expression (it is not an equation because there is no equal sign)

2) The answer is known as the "Solution

3) the actual answer to the expression is 3 because

(6+7) - (8+2) = 13-10 = 3

Its called an equation but the answer is 3