X can be 3 because:
(3+1)(3)=(4)(3)=12
I believe that is the only possible value for x.
Good luck to you!
Answer:
( -1,2)
Step-by-step explanation:
The solution is where the two lines intersect
The intersect at x=-1 and y=2
( -1,2)
Answer:
320
Step-by-step explanation:
2 out of 5 is the ratio 2/5.
We want the denominator to become 800.



Since 2/5 = 320/800, he will need to prepare 320 cups of soup.
Answer:

Step-by-step explanation:
Consider linear differential equation 
It's solution is of form
where I.F is integrating factor given by
.
Given: 
We can write this equation as 
On comparing this equation with
, we get 
I.F =
{ formula used:
}
we get solution as follows:

{ formula used:
}
Applying condition:

So, we get solution as :
