Equation of the line x−12=y+1−1=z−34 is the line of intersection of -------

The given line is x−12=y+1−1=z−34Equate first two equations, x−12=y+1−1⇒−x+1=2y+2⇒x+2y+1=0Equate first and last equations x−12=z−34⇒2(x−1)=z−3⇒2x−z+1=0 Therefore, the given line is intersection of x+2y+1=0=2x−z+1