42 is 21% of 200. This is because 200*0.21 = 42.
Answer:
21
Step-by-step explanation:
because they all sum up together
Given rational expression is:

Now we can simplify this by factoring as shown below:





Hence final answer is 
Answer:
y=4x-1
Step-by-step explanation:
4x-y=1
4x=y+1 then negative Y becomes positive after going to the other side of the equal sign.
4x-1=y the positive 1 becomes negative after going to the other side of the equal sign.