Answer:
-5=x
Step-by-step explanation:
3=-2 (x+2) 
-2 (x+2) = -2x-4
3=-2x-4
-4 from 3 and -4
= -7=-2x
do the opposite "-2 to +2 "
=-5=x
 
        
             
        
        
        
Answer:
Your answer is 2.4
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
x=4y
Step-by-step explanation:
mathpapa
 
        
             
        
        
        
Set up a proportion:
6 feet over 11 feet long equals x feet over 33 feet long
6/11 = x/33
198 = 11x
x = 18
The height of the tree is 18 feet tall
 
        
                    
             
        
        
        
Hello : 
(-6a)-(-3a) =(-3a)-(0) = (0)-(3a) = (3a)-(6a) = -3a (arthmetic<span> sequence, the common  -  diff is : d= -3a   the first term is : U1 = 6a
</span><span>a general rule for the n th term is : Un =U1+(n-1)d
Un = 6a +(n-1)(-3a) =
Un = 6a -3an+3a
</span>Un  = -3an +9a