Step-by-step explanation:
We know that m<1 = m<2 ( being alternate angels) So,
4+ 12x = 11x +12
12x - 11x = 12 - 4
x = 8
Therefore x = 8
Now
m<1 = 4 + 12 * 8
= 4 + 96
= 100
Hope this helps. :)
