In the equation ax+by+c=0, how many different ways can you express x in terms of y?
If ax+by+c=0, then y can be expressed as (−c−ax)b only .we cannot express y in terms of x in any other way. Therefore there is only one way.
In the equation ax+by+c=0, in how many different ways can you express y in terms of x?
In how many different ways you can write 15 as the difference of the squares of two natural numbers?