The equations are and
.
The standard form of line equation is .
Solve each equations.
\case(i)
\ (First equation)
(Divide each side by
)
(Cancel common terms)
case(ii)
\ (Second equation)
(Subtract
from each side)
(Apply additive inverse property:
)
(Divide each side by
)
(Cancel common terms)
Hence , the two line equations are slopes are equal.
\Therefore, the two equations are parallel lines.
\Option A is right choice.