If the value of #(x(y-4))/5 = -2#, what are possible values of x and y?
1 Answer
There are infinitely many solutions, but
Explanation:
There are two variables, but only one equation, so there is not only one solution for the equation.
Make one of the variables the subject:
Isolating
You can now choose any value of
Note that
If
which gives
If
which gives
Making
Choose any value for
Note that
If
which gives:
In this way there are infinitely many solutions which can be found.