Question

Need Help! Given the drawing, what would the value of x need to be in order for it to be true that m || n ? ​

Answer 1

Answer:

13

Step-by-step explanation:

The theorem is that for a line bisecting two parallel lines, the oposite angles are equal. Hence, you can formulate the equation 4x+18 = 7x-21, which solves to 13.