Question

please tell me ok guys​

Answer 1

This is the answer hope it helps you....PLS MARK MY ANSWER AS THE BRAINLIEST

Answer 2

Step-by-step explanation:

(a) by alternating interior angle property

7x+30 = 3x +50

7x-3x = 50-30

5x =20

x=4

(b)by cointerior angle property

5x+40+2x=180

7x=180-40

7x=140

x=20