First combine like terms and put the expression in standard form. This expression is now in simplest form and cannot be simplified anymore.
3a + 10ab - 7a^2b - 10ab^2 + 12ab - (-4) + (-a^2b) - 5a 
-10ab^2 - 8a^2b -2a + 24ab - (-4)
Hope this helps
        
             
        
        
        
Find the Least Common Denominator (LCD) which is 28.
-1/4 (7) = -7/28
-3/7 (4) = -12/28
-7 - 12 = -19
-19/28
Simplify if you can.
        
                    
             
        
        
        
Answer:
=
3
7
.
7
2
Step-by-step explanation:
Add 
2
4
.
4
5
24.45
24.45
 to both sides of the equation
1
3
.
2
7
=
−
2
4
.
4
5
1
3
.
2
7
+
2
4
.
4
5
=
−
2
4
.
4
5
+
2
4
.
4
5
 
        
             
        
        
        
44 fl oz there are 2000 pounds in a tone for x amount of supplement… ( supplement volume)/(weight in pounds) = x/(5.5*2000)=1/250 multiplied by 11000
x=11000/250=44 fl