pbenavides76 pbenavides76

19-08-2014
Mathematics

contestada

How do you solve 7x-5=30?

Respuesta :

19-08-2014

[tex]7x-5=30\ \ |+5\ to\ both\ sides\\\\7x=30+5\\\\7x=35\ \ |:7\\\\x=\frac{35}{7}\\\\x=5\\\\Answer\ is\ x=5.[/tex]

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Аноним Аноним

19-08-2014

7x - 5 = 30

* add 5 to both sides

7x = 30 + 5

7x = 35

* divided both sides by 7

(7/7)x = 35/7

x = 5

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