How do you solve 7x-5=30?

asked Jan 22, 2015 185k views

2 votes

by DKIT

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2 votes

$7x-5=30\ \ |+5\ to\ both\ sides\\\\7x=30+5\\\\7x=35\ \ |:7\\\\x=(35)/(7)\\\\x=5\\\\Answer\ is\ x=5.$

Harshit Gupta answered Jan 24, 2015

8.7k points

7 votes

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

Carolyn answered Jan 28, 2015

8.9k points

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