Question

How do you solve `(a-7)/(a-10)=10/3`?

Answer 1

`a=11.29`

Explanation:

`(a-7)/(a-10)=10/3`

`(a-7)*3=(a-10)*10`

`3a-21=10a-100`

`100-21=10a-3a`

`79=7a`

`a=79/7`

`a=11.29`