5x-10/21- 3х-1/14=1 плиз помогите

Question

5x-10/21- 3х-1/14=1
плиз помогите

Answer 1

5X - 3X = 1 + 10/21 + 1/14 
2X = 31/21 + 1/14 
2X = 62/42 + 3/42 
2X = 65/42 
X = 65/42 : 2 
X = 65/84