Question

x+50=2x-30+x+x-20 poderia ser rapido

Answer 1

x+50=2x-30+x+x-20
x - 2x - x -  x = -20 - 30 - 50
-3x = -100
x = 100 / 3
x = 33,3

Answer 2

 
 
 

x+50=2x-30+x+x-20

+50 + 30 + 20 =2x+x+x- x

   100 = 3x
  
    x = 100  
            3