Answer:
[tex]t =\frac{u}{9} +7[/tex]
Step-by-step explanation:
[tex]9(t-7)=u[/tex]
[tex]9t-63=u[/tex]
[tex]9t = u+63[/tex]
[tex]\frac{9t}{9} = \frac{u +63}{9}[/tex]
[tex]t =\frac{u +63}{9}[/tex]
[tex]t =\frac{u}{9} +7[/tex]
Hope this helps you.
Let me know if you have any other questions :-)
