Question

When 5 is subtracted from the length and breadth of the rectangle the perimeter becomes 26. What is the mathematical form of the statement ?​

Answer 1

Step-by-step explanation:

p=2(l+b)

l-5

b-5

then,

p=2(l-5+b-5)=26

p=l-5+b-5=26/2=13

l+b-10=13

l+b=23