Answer:
x=18
Step-by-step explanation:
5x+2=72
     -2  -2
5x=70
---------
   5
x=18
 
        
             
        
        
        
Answer:
30.4
Step-by-step explanation:
if you want the basic perimeter just add up all the sides
 
        
             
        
        
        
(n-1)-3 = (3n)/2 This is the equation used to represent the information given
        
             
        
        
        
Answer:
<h3>A. y=-2x+3z+25</h3>
Step-by-step explanation:
Isolate the term of x and y from one side of the equation.
<u>To solve:</u>

<h3>2x+y-3z=25</h3>
<u>First, you have to subtract by 2x-3z from both sides.</u>

<u>Solve.</u>

- <u>Therefore, the correct answer is "A. y=-2x+3z+25".</u>
I hope this helps, let me know if you have any questions.
 
        
                    
             
        
        
        
The rule of product states that:
So, a product is positive if and only if both factors have the same sign, and is negative if only if the factors have opposite sign.