Question

La solución de 7x / 9 = 1
a.
x = 9/7
b.
x = 7/9
c.
x = 8/7
d.
x = 7/10

Answer 1

Respuesta:

$\frac{7x}{9} = 1 \\ \\ 7x = 9 \\ x = \frac{9}{7}$