Answer:
20
Explanation:
Hello!
Note that we are simply multiplying the expression -x + 10y by 5.
We know that -x + 10y is equal to 4, so if we multiply 4 by 5, we should have 20 as our final value.
- -x + 10y = 4
- 5(-x + 10y) = 5(4)
- 5(-x + 10y) = 20
The value of 5(-x + 10y) is 20.