Answer:
The answer is x-1
(-3x-9)+(4x+8)
-3x-9+4x+8
-3x+4x-9+8
x-9+8
x-1
Step-by-step explanation:
1/3(6+3)
= 1/3(9)
= 3
......
($0.50 * 3) + $0.40= $1.90
(-26, 32)