Question

Como resolver ?
x-10 + x =10
___. __
9. 6

Answer 1

$\frac{x - 10}{9} + \frac{x}{6} = 10$


MMC = 18



$\frac{9x - 90 + 3x}{18} = 10$



$\frac{9x + 3x - 90}{18} = 10$


$\frac{12x - 90}{18} = 10$


12x -90 = 180

12x = 180+90

12x = 360

x = 360/12

x =30