Do the following equations represent a pair of coincident lines? Justify your Answer.

$3x+\frac{1}{7}y=3$ and $7x+3y=7$

Do the following equations represent a pair of coincident lines? Justify your Answer.

$-2x-3y=1$ and $6y+4x=-2$

Do the following equations represent a pair of coincident lines? Justify your Answer.

$\frac{x}{2}+y+\frac{2}{5}=0$ and $4x+8y+\frac{5}{16}=0$

Are the following pair of linear equations consistent? Justify your answer.

$-3x-4y=12$ and $4y+3x=12$

Are the following pair of linear equations consistent? Justify your answer.

$\frac{3}{5}x-y=\frac{1}{2}$ and $\frac{1}{5}x-3y=\frac{1}{6}$

Are the following pair of linear equations consistent? Justify your answer.

$2ax+by=a$ and $4ax+2by-2a=0;a,b\ne 0$

Are the following pair of linear equations consistent? Justify your answer.

$x+3y=11$ and $2\left(2x+6y\right)=22$