Question

Hello I scanned a question and it did not put the right question in

Answer 1

Simplify the equation 7/z=84/12 by cross product of the numerator and denominator.

`\begin{gathered} (7)/(z)=(84)/(12) \\ 7\cdot12=84\cdot z \\ z=(7\cdot12)/(84) \\ =(84)/(84) \\ =1 \end{gathered}`

So value of z is 1.