Question

Please answer these two questions !!!!!

Answer 1

Answer:

50

Step-by-step explanation:

x+3+x+20+x+7=180

3x+ 30=180

3x=180-30

x=150/3

x=50

Answer 2

Step-by-step explanation:

hope this would be helpful to you

and in second question are lines ab and cd parallel to eachother