#1 x = 8
91 + 12x - 7 = 180
12x + 84 = 180
12x = 96
x = 8
#2 x = 100/7
68 + 7x + 12 = 180
80 + 7x = 180
7x = 100
x = 100/7
#3
top triangle:
22 + 49 + x = 180
71 + x = 180
x = 109
bottom triangle
109 + 44 + x = 180
153 + x = 180
missing value = 27
#4
left triangle
45+70+x=180
x=65
65+55+x=180
x=60
right triangle:
35+60+x=180
95+x=180
missing value= 85
wanna hit me with that brainliest? :’)
