Question

7/9х+11/12=13/18. Помогите очень срочно

Answer 1

28+33х=26х
33х-26х=-28
7х=-28
х=-4

Answer 2

7/9x=13/18-11/12=26/36-33/36=(26-33)/36= -7/36;
9x*-7=7*36
-9x=36
x=36/(-9)= -4