Question

Решите уравнение:
- 9 - ( 8 х - 11 ) = 12

Answer 1

- 9 - ( 8 х - 11 ) = 12
-9-8х+11=12
-8х=12+9-11
-8х=10
х=10/-8
х=-1,25

Answer 2

- 9 - ( 8 х - 11 ) = 12
-9-8x+11=12
-8x=12+9-11
-8x=10:(-8)
x=-1,25