First distribute 3 to (x-4). that gives you 3x-12. Now your equation is x-2=3x-12. Now you subtract x from 3x. now you're equation is -2=2x-12. then add 12 to the left. You're final answer is 10.
        
                    
             
        
        
        
Answer:2
Step-by-step explanation: the equation is in linear form y=mx+b, the b represents the y intercept in your equation that would be -5
 
        
             
        
        
        
Answer:
15 cm^2
Step-by-step explanation:
Simply multiply the base times the height of the cross section. So 3 x 5 is 15
 
        
             
        
        
        
Answer: x=5, x=2
Step-by-step explanation: try symbolab for these questions...it helps out a lot.
  
        
             
        
        
        
Answer:
42
Step-by-step explanation:
x = Ky
18 = K(3)
K = 18/3 = 6
x = 6y
x = 6(7) = 42