A-(9b-13b)=
A=12, b=-2
![A9b13b A12 b2 class=](https://us-static.z-dn.net/files/dc5/32fc869ce86d055ecd93ea0c034b420a.png)
Answer:
4
Step-by-step explanation:
A-(9b-13b) =
Let a = 12 and b = -2
12 - (9*-2 -13*-2)
Inside the parentheses first
12 -( -18+26)
12 - (8)
12 -8
4
Answer:4
Step-by-step explanation:
a-(9b-13b) a=12 b=-2
12-(9(-2)-13(-2))
12-(-18+26)
12+18-26
30-26=4