Question

please answer my it is emergency very urgent ​

Answer 1

Answer:

70+80=150

Step-by-step explanation:

180-150=30

this is your answer

Answer 2

Answer:

$sum \: of \: all \: angles \: of \: triangle \: = \: 180 \\ 70 + 80 + y = 180 \\ 150 + y = 180 \\ y = 180 - 150 \\ y = 30 \\ \\ x + 30 = 180 (linear \: pair) \\ x = 180 - 30 \\ x = 150$