Question

If one side of a square is represented by 18x – 20 and the adjacent side is represented by 42 – 13x, find the length of the side of the square.

Answer 1

Answer:

16

Step-by-step explanation:

as sides of square are equal

18x-20=42-13x

⇒18x+13x=42+20

⇒31x=62

⇒x=2

so substituting value of x in 18x-20  we ge,

18x2-20

=36-20

=16

:)