How do you solve #\frac { 1} { 4} b + \frac { 2} { 5} b - 5= - 3#?

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Answer 1 · 2016-12-07T07:34:34

#b=40/13#

You can write the equivalent equation:

#1/4b+2/5b=5-3#

and then sum the terms and get:

#13/20b=2#

that's

#b=2*20/13#

#b=40/13#