Question

Como eu faço isso??????

Answer 1

x + 1  =  2
3    3        

mmc = 3

x + 1   = 2.3
  3           3

x + 1 = 6
x = 6 - 1
x = 5

Answer 2

$\dfrac{x}{3} + \dfrac{1}{3} =2\to~~~~mmc=3\\\\\\ x+1=6\to\\\\\\ x=6-1\to \\\\\\ \boxed{x=5}$