98x- 87x=594 помогите плиз

Question

98x- 87x=594 помогите плиз

Answer 1

98х-87х=594
11х=594
х=594 / 11
х=54

Answer 2

98x -87x=594
11x=594
x=594:11
x=54
----------------------------
98×54-87×54=594

98×54=5292
87×54=4698
5292-4698=594