21-02-2016
Mathematics

contestada

3 less than 16 divided by a number s is 5

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BMENDEZ BMENDEZ

21-02-2016

3-16/a= 5
subtract 3-16
-13/a=5
multiply both sides by a
-13=5a
flip the equation
5a= -13
divide both sides by 5
a= -2.6

check the equation
3-16/-2.6=5
-13/-2.6=5
5=5

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