Answer:
-15
Explanation:
So it's a-1-2x.
rewrite as -4-1-(2*5)
-4-1-10
-4+-1-10
-5+-10
- 15
a - 1 - 2 x
- 4 - 1 - 2 ( 5 )
- 5 - 10
- 1 5
4.4m questions
5.7m answers