tamseif tamseif

02-10-2017
Mathematics

contestada

How do I solve this problem b+2/b-1=4/5

Respuesta :

sosophiephie3 sosophiephie3

02-10-2017

Since this is a proportion we cross multiply.
b+2/b-1=4/5
b-1(4)=b+2(5)
4b-4=5b+10
+4 = +4
4b=5b+14
-5b=-5b
-1b=14
divide by -1 on both sides
b=-14

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