I don't really get this question but simply put, if you are in college syntax matters very much. (13-4) = 9 *(x-5) = 9x-45.. although in this case. since there isn't a bracket around 13-4. you'd multiply by the -4 first, giving you, 4x-20+30 =4x-10
        
             
        
        
        
Answer:
14.82
Step-by-step explanation:
Hope it helps :)
 
        
                    
             
        
        
        
Answer:

Step-by-step explanation:

In order to solve for b, we must isolate the variable. We can start by subtracting 5 from both sides. 

Simplify. 

Add b to both sides.

Simplify. 

Multiply everything by 3 to remove the fractions. 

Simplify. 
2b + 3b = 45
Simplify. 
5b = 45
Divide 5 from both sides. 
5b ÷ 5 = 45 ÷ 5
Simplify. 
b = 9
For more information on solving variables, check out the following answers!
 
        
                    
             
        
        
        
Answer:
 Jeremy find the cost of the sneakers by solving for the values of the 10% in dollars and subtracting the dollar amount from the cost of the sneaker
Step-by-step explanation:
Step one:
given data
cost of sneakers= $60
Required
the cost of the sneaker after the two discounts
Actually, the two percents given are the discount of the sale.
the first discount is 
15%= 15/100*60
=0.15*60
=$9
The second is 10% coupon
10/100*60
=0.1*60
=$6
The total discounts = 9+6= $15
The cost of the sneakers= 60-15= $45
 Jeremy find the cost of the sneakers by solving for the values of the 10% in dollars and subtracting the dollar amount from the cost of the sneaker