Ц-целых 3ц7/18+(x+2/3)=5ц. Помогите плиз!

Question

Ц-целых
3ц7/18+(x+2/3)=5ц.
Помогите плиз!

Answer 1

5ц-3ц7/18=х+2/3
2ц-7/18=х+2/3
2ц=х+2/3+7/18
2ц-19/18=х
1ц+18/18-19/18=х
1ц-1/18=х
18/18-1/18=х
17/18=х