98,465 views
12 votes
12 votes
Can you PLEASE help me

User Jake Dempsey
by
2.9k points

1 Answer

26 votes
26 votes

In this problem we know that

Applying the exterior angle theorem

10x+30=58+(7x-1)

solve for x

10x-7x=57-30

3x=27

x=9

Find m

mm

Find mmm