First you would subtract 30 from both sides 
they divide each side by 5 to get -7 
y =-7 
        
             
        
        
        
50.74
B/c 43*.18=7.74 
7.74+43=50.74
hope this helps
        
             
        
        
        
Answer:
no
Step-by-step explanation:
because you never multiply the divisor's
 
        
                    
             
        
        
        
Answer:
y=1/2+x
1Beacuxse the negative is the postivw