Find the value of k so that the lines -x + y + 3 and kx + 2y = 8 will be parallel.
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-x+y+3=0
kx+2y=8⇒kx+2y-8=0
The condition for parallel lines is a₁/a₂=b₁/b₂≠c₁/c₂
-1/k=1/2
k=-2
kx+2y=8⇒kx+2y-8=0
The condition for parallel lines is a₁/a₂=b₁/b₂≠c₁/c₂
-1/k=1/2
k=-2
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