Answer:
-8/7 =x
Step-by-step explanation:
-2         x+1
----- = -----------
12         x+2
Using cross products
-2 (x+2) = 12 (x+1)
Distribute
-2x -4 = 12x+12
Add 2x to each side
-2x+2x -4 = 12x+2x+12
-4 = 14x +12
Subtract 12 from each side
-4-12 = 14x
-16 = 14x
Divide each side by 14
-16/14 =14x/14
-8/7 =x
 
        
             
        
        
        
Are you asking for the answer ? Or a example
        
             
        
        
        
Here, use the app photomath.
 
        
        
        
Hello,
 if tan x=√3/3 then x=30°+k*180° k: integer