Question

$\frac{ x + 1}{2} - 6 + \frac{1 - x}{5} = \frac{7}{10}$
Ayuda por favor ​

Answer 1

$\frac{ x + 1}{2} - 6 + \frac{1 - x}{5} = \frac{7}{10} \\ \frac{x + 1}{2} + \frac{1 - x}{5} = \frac{7}{10} + 6 \\ \frac{5(x + 1) + 2(1 - x)}{10} = \frac{7 + 60}{10} \\ \frac{5x + 5 + 2 - 2x}{10} = \frac{67}{10} \\ \frac{3x + 7}{10} = \frac{67}{10} \\ 3x + 7 = \frac{67}{10} (10) \\ 3x + 7 = 67 \\ 3x = 67 - 7 \\ 3x = 60 \\ x = \frac{60}{3} \\ x = 20$