दिया गया समीकरण क के मान ज्ञात करें: \( x + 2y = 4 \) और \( y = 1 \) सत्य है, तो \( x \) का मान कितना है?
The relationship between two variables \( x \) and \( y \) is given by \( x + py + q = 0 \) and is shown in the figure. Find the values of \( p \) and \( q \). Note: The figure shown is representative.

Study the entries in the following table and rewrite them by putting the connected items in the single row: 