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
Answer:4
a-(9b-13b) a=12 b=-2
12-(9(-2)-13(-2))
12-(-18+26)
12+18-26
30-26=4
