Question

Anyone know how to do this?

Answer 1

20°

Explanation:

Step 1:

3x - 10 = x + 30 Alternate Interior ∠'s

Step 2:

2x - 10 = 30 Subtract x on both sides

Step 3:

2x = 40 Add 10 on both sides

Step 4:

x = 40 ÷ 2 Divide

Answer:

x = 20°

Hope This Helps :)