Question

DAV BOARD CLASS 8TH 2021 TODAY'S EXAMINATION MATHS QUES NO. 7

Answer 1

Answer:

$5x + 35 + 45 = 180 \\ 5x + 80 = 180 \\ 5x = 180 - 80 \\ 5x = 100 \\ x = \frac{100}{5} = 20$

Answer 2

2° is the answer

hope this helps you xD