252,510 views
42 votes
42 votes
Solve for X (line a and b parallel)

Solve for X (line a and b parallel)-example-1
User Silverspoon
by
2.7k points

1 Answer

28 votes
28 votes

Answer:

x=29°

Explanation:

as lines are parallel.

external alternate angles are equal.

7x-86=4x+1

7x-4x=1+86

3x=87

x=87/3=29

User TheRoadrunner
by
3.0k points
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