luisverastigue luisverastigue

23-03-2018
Mathematics

contestada

If b+3/7=2/5 then which of the following is true

1.5b + 15 = 14
2.b + 3 = 14
3.5b + 3 = 14
4.b + 15 = 14

Respuesta :

galinasem2 galinasem2

23-03-2018

Let multiply by 35 both sides of the equation
35b+35*3/7=35*2/5
35b+15=14
There are all false

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