-2(5y-20) - 5y = -5
-10y + 40 - 5y = -5
-15y + 40 = -5
-15y = -45, y = 3
x = 5(3) - 20
x = 15 - 20, x = -5
Solution: x = -5, y = 3... or (-5,3)
        
             
        
        
        
Answer:
8/3
Step-by-step explanation:
3 parts yellow to 2 parts red
4 parts yellow to x parts red
x=4*2/3 =8/3 parts red.
If it is right then there you go
 
        
             
        
        
        
55+added=133
added=amount addeed per week times 6=6x
55+6x=133
minus 55 both sides
6x=78
divide both sides by 6
x=13
add 13 per week
y=13x+55
        
             
        
        
        
10, 20 , 30, 45 has 5 as their greatest common factor
        
             
        
        
        
Answer:
this one is least to greatest -4 -11-2, 1421
Step-by-step explanation:
you have to do the least number to the greatest so a negative number would be least but you can't get confused you have to do the east number.