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.

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Answer 1

=18x – 20 = 42 – 13x

⇒ 18x + 13x = 42 + 20

⇒ 31x= 62

⇒ x = 62/31 = 2

∴ Side of square

= 18 × 2 – 20

= 36 – 20 = 16..

Answer 2

Step-by-step explanation:

• All sides of square are equal

so 42-13x = 18x -20

42+20 = 18x +13x

62 = 31x

x= 2

Therefore side of square = 18(2) -20 = 36-20=16