Question

Alguem pra me ajudar pfvrrrrrr​

Answer 1

a)

3x - 10 = 110

3x = 110 + 10

3x = 120

x = 120/3

x = 40

b)

2x + 10° + 3x - 50° = 180°

5x - 40° = 180°

5x = 180° + 40°

5x = 220°

x = 220°/5

x = 44°