6\12 is not equal to 1\12
Answer:

Step-by-step explanation:
We are given that the equation of lines


According to question
The vector perpendicular to the lines is given by
and 
Therefore, the angle between two vectors is given by

Using the formula




Hence, the acute angle between the lines is given by

(2x +3)(2x-3)= 0
x= -3/2 x = 3/2
Answer:
solve one equation for a vriable then substitute that varibale into the other equation.
Step-by-step explanation:
admins, pls delete this, I messed up and don't know how