Because if you did not you would not have a exact answer.
Answer:6
Step-by-step explanation:
If you subtract 10-4 you get 6
How much bigger is B than A , so Side length B- A = (-4x+18) - (2x-7) = -6x+25
So perimeter = 4x length = 4x(-6x+25) = -24x+100 = 100-24x
How much bigger? 100-24X
__Brainliest if i helped!
I'd still double check with someone on this but I believe that the answer is ×=(-6/5m+3/5p) I'd still double check but I'd ur in a big hurry and just need it done then put that