Answer:
First, write the expression
✔ 5 + 2a – 7
.
Second,
✔ substitute
8 in for the variable, a.
Third,
✔ simplify
by using
✔ order of operations
The answer is
✔ 14
let y=f(x)
Hope it helps! :)
Looks like 75%. Not sure what they're talking about for the reduce part.