Question

82-(15 + x)= 72

Answer 1

82-(15 + x)= 72

82 - 15 - x = 72

67 - x = 72

67 - 72 = x

- 5 = x

Answer 2

-5

Answer 3

bằng 5

Answer 4

-5

Answer 5

82-(15 + x)= 72

⇒ 82 - 15 - x = 72

⇒ x = 82 - 15 - 72

⇒ x = -5

Answer 6

82-(15 + x)= 72

15+x=82-72

15+x=10

x=10-15

x=-5

Vậy x=-5