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  • 15-11-2019
  • Mathematics
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4 + 4 /5 b = 9 /10 b

Respuesta :

SSchaefer SSchaefer
  • 15-11-2019

Answer:

Step-by-step explanation:

The first step is getting 4 on the other side so you minus 4 to get 4/5b=9/10b

you then subtract 9/10 from 4/5 in order to do this you need to get 4/5 a denominator of 10, so you take 4/5 times 2/2 to get 8/10

So now you can take 8/10-9/10=-1/10

You now have -1/10b=-4

you then times -10 on both sides to get b by itself

b= -4* -10

b=40

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