Решите уравнение: 5x-10/21-3x-1/14=1

Question

Решите уравнение: 5x-10/21-3x-1/14=1

Answer 1

5х - 10/21 - 3х - 1/14 = 1; 2х = 1 + 10/21 + 1/14; 2х = 42/42+20/42+3/42; 2х = 65/42; х = 65/42 : 2 = 65/42 × 1/2; х = 65/84