Algebra question

[Basko]

 

3x=21

Solve for x

Can you please explain to me, because I missed this topic when we did in school.

Thanks

[Endy0816]

For something like 5x = 30, you would divide 25 by 5 with a result of 6.

5x = 30 -> x = 30/5

 

[CryptoKelli]

3x=21  =  x=21/3   =  x=7