Question

What is (a+5)/5a = 10, how do you solve for a?

Answer 1

is this
\[\frac{a+5}{5a}=10\]?

Answer 2

yes, that is it...

Answer 3

then multiply both side by 5a to get
\[a+5=50a\]

Answer 4

\[5=49a\]
\[a=\frac{5}{49}\]

Answer 5

ok, thanks. what about (z-4)/(z+4)= 2?