Question

in fig find the value of y​

Answer 1

Answer:

$(2y - 20) +( 2y +40) = 180 \\ \\ 2y - 20 + 2y + 40 =180 \\ \\ 4y + 20 = 180 \\ \\ 4y = 180 - 20 \\ \\ 4y = 160 \\ \\ y = 40$

Answer 2

Answer:

{2y-20}+{2y+40}=180

linear pair

• 2y-20+2y+40
• 4y+20=180
• 4y=160
• y=40