Question

Rahul bought 15 copies of math, 3x copies of English and returned 2y2(square)
copies of Hindi to the shopkeeper. Express the total number of copies as an algebraic expressions.

Answer 1

copies of maths 15

english 3x and returned 2y²

copies of hindi ?

Step-by-step explanation:

15+3x-2y²

x=15+3 -2y²

x=18 - 2y²

• x=18
• 2y² =?
• y² = 18/2
• y²=9
• Bring the square right side
• y=square root of 9
• y=4.5