Question

Resolver equação

$\frac{2x +3}{5} - \frac{x-1}{7} =1$

Answer 1

2x+3 - x-1 = 1
  5         7 

14x + 21  -  5x - 5 = 35
      35          35       35

14x + 21 - 5x - 5 = 35
14x - 5x= 35-21+5
9x = 19
x= 19/9
 

Answer 2

$\frac{2x+3}{5} - \frac{x-1}{7} =1 = \frac{14x+21-5x-5}{35} =1= 14x+21-5x-5=35.1= 14x-5x=35-21+5= 9x=19=x=19/9$