
Let's do the bracket part first,
and solve further as shown,
Answer:
38°
Step-by-step explanation:
y = 142°
x + y = 180°{ being supplementary angles }
x + 142° = 180°
x = 180° - 142°
x = 38°
Hope it will help :)
Answer:
perimeter = 4 x side
perimeter = 4(4x–1) = 16x – 4
Step-by-step explanation:
Please correct me if I am wrong :)
Answer:
(3x - x) :v
Step-by-step explanation:
3x - 5 - x =134
2x - 5 = 134
2x = 139
x = 139/2