Answer:
-7
Step-by-step explanation:
Given data
Tina's problem is
-16 - (-9)
Firstly let her open up the bracket
Note - * -= +
-16+9
Secondly, Rearrange
9-16= -7
Hence the answer is -7
 
        
             
        
        
        
Answer:
X=14 Y=14.
Step-by-step explanation:
The question is not explained very well.
 
        
             
        
        
        
Answer:
100°
Step-by-step explanation:
 
        
                    
             
        
        
        
Subtract 5x from both sides
0=-30x
Divide both sides by -30
0=x
Final answer: x=0
Hope this helps!