Answer:
120
Step-by-step explanation:
 
        
             
        
        
        
Uh i dont know are you supposed to add or substract multiply or divid use nixed numbers on no mixed numbers
        
                    
             
        
        
        
Answer:
a) 2x+4
b)x=8
Step-by-step explanation:
a) x+x+4 =2x +4
b) 2x+4= 20
 2x = 16
 x=8
 Jay bought 8 packets of Chips
c) Jay: 8 x 60
 =£4,80
 Lauren : 12 × 60
 = £7,2
 
        
             
        
        
        
Answer:
3
Step-by-step explanation:
-m+8=4m-7
8=4m-(-m)-7
8=4m+m-7
8=5m-7
5m=8+7
5m=15
m=15/5
m=3