First you move -15 over which makes it 7b=5b+12
then you move 5b over so then its 2b=12
divide b=6
        
                    
             
        
        
        
A: REAL, RATIONAL, INTERGER, WHOLE, NATURAL, OR COUNTING
        
             
        
        
        
Answer:
x = 6
Step-by-step explanation:
4x - 3 = 7×3
4x - 3 = 21
4x = 21 + 3
4x = 24
x = 6
I hope you understood the explanation!
 
        
             
        
        
        
Answer:
cuteboy979409
Step-by-step explanation:
I am sorry mam a was not able to answer this question.  
 
        
             
        
        
        
6x + 4x + 10 = 180
10x = 170
   x = 17
mCA = 4(17) + 10 = 68 + 10 = 78
Answer:
mCA = 78°