−38−((-14)−(−7))−3(7+4b)=?
To solve this problem, we will simplify the given expression step by step:
First, consider the expression inside the innermost parentheses: .
Using the rule that subtracting a negative number is equivalent to adding its positive counterpart, we have:
.
Simplifying this gives us .
Now substitute back into the original expression:
.
We can handle the next operation as follows:
is equivalent to .
Simplifying this gives us: .
Next, consider the term . Using the distributive property, distribute :
.
.
Thus, .
Substitute back into the expression:
.
Combine the constants:
.
The simplified expression is:
.
Therefore, the solution to the problem is .