Question

2/3x + 1/5x +400= x resolver xfa

Answer 1

2/3×+1/5×+400=×
x=3000

Answer 2

2/3x+1/5x+400=x

2*5+3*1/3*5x+400=x

10+3/15x+400=x

13/15x+400=x

400=1/1x-13/15x

400=1*15-1*13/1*15x

400=15-13/15x

400=2/15x

400/1-2/15=x

400*15-1*2/1*15=X

6000/15=x

400=x