A linear equation in two variables which P can be expressed in the form \( a x+b y+c=0 \), where...

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A linear equation in two variables which
P can be expressed in the form \( a x+b y+c=0 \), where \( a, b \) and \( c \) are real numbers such that \( a, b \neq 0 \).
Column I A. What is the value of a in \( 7 x=3 y \) in \( 7 x=3 y \)
B. The equation \( y=2 \) as q. 7 a linear equation in two variables, can be written as
C. The cost of a book is
r. \( 3 x-y=0 \) three times the cost of a pen. Which linear equation in two variables represents the statement?
s. \( 0 \cdot x+1 \cdot y-2=0 \)
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