Three sides of a quadrilateral are the same length, . The length of the fourth side is 7 inches The perimeter of the quadrilateral is 40 inches, write a equation thats represents the solution

Step-by-step explanation:

According to Question , Three sides of a quadrilateral are the same length, . The length of the fourth side is 7 inches The perimeter of the quadrilateral is 40 inches .

So , let us take the each side be x .

By Question ,

Hence the required Equation will be 3x = 33 in .

cross multiplying, we get :

⇒ (3) × (5) = (9) × (x)

⇒ 15 = 9x