Hello there!
To make x the subject of the formula, we need to start by doing "Cross multiply"
(y)(x) = a
yx = a
Solve for x
Divide both sides by y
yx/y = a/y
x = a/y
Good luck with your studies!
Answer is D.
Because;
The first equation = the second equation
Step-by-step explanation:
the answer is in the image above
84 the process is shown in the following picture