I keep getting this answer wrong and I only have 3 attempts and I have one more left, I need someone to give me the answer an explain what I was doing wrong

Question

asked Mar 8, 2022 189k views

1 Answer

Jitendra · Answer 1 · 2022-03-11T20:59:14+0000

Answer:

92

Explanation:

angle a and b add up to 180 degrees

4x-20+2x+8=180

add like terms

6x+12=180

x=28

then substitute to get 92