Question

x+x/7=3 por favo gente me ajude

Answer 1

x + x/7 = 3
(7x + x)/7 = 3
(7x + x) = 7.3
8x = 21
x = 21/8

Answer 2

$x + \frac{x}{7} = 3 \\ \\ \frac{(7x + x)}{7} = 3 \\ \\ (7x + x) = 7.3 \\ \\ 8x = 21 \\ \\ x = \frac{21}{8} \\ \\ x=2,625$