X+y=23
X-y=7.4
X+y=23
y=23-X
X-y=7.4
(23-y)-y=7.4
23-2y=7.4
-2y=-15.6
Y=7.8
X+y=23
X+7.8=23
X=15.2
Therefore the two numbers are 7.8 & 15.2
 
        
        
        
Answer:
(a): 6 centimeters 
(b): 72 inches
Step-by-step explanation:
Rule: From centimeters to inches, multiply centimeters × 8
so from inches to centimeters, divide inches by 8
Scale: 
1 cm : 8 in
? cm : 48 in
6 cm : 48 in
Scale: 
? in : 9 cm
72 in : 9 cm
 
        
             
        
        
        
Answer:
134
5000
i think im right 
Step-by-step explanation:
 
        
             
        
        
        
https://www.mathpapa.com/algebra-calculator.html?q=x%3D10x%2F2%2B5
Step-by-step explanation:
 
        
             
        
        
        
Answer: 2
Step-by-step explanation:
We can list out their factors
10:1,2,5,10
6:1,2,3,6
Both have the same factors of 2.