15. Find the equation and cost of a table

The cost of a table is \(₹\)7 more than 3 times the cost of a chair. Write the given statement in a linear equation if \(x\) represents the cost of a table and \(y\) represents the cost of a chair. Also, find the cost of a table when \(y = ₹\)582.

 

1. The equation of the given statement is

 

2. The cost of a table when \(y = ₹\)582 is \(₹\)