Question

o 13 6 + 67 67 ) 9 -X= 67​

Answer 1

Ответ:

$(13.6 + 67.67) \times 9 - x = 67 \\ 81.27 \times 9 - x = 67 \\ 731.43 - x = 67 \\ - x = 67 - 731.43 \\ - x = - 664.43 \\ x = 664.43$