Question

Find the solution using substitution method 5x-7y-21=0, 25x-35y=63 .

Answer 1

Answer:

So you can see there is no solution for these equations.

and it is called same equation different value

because if we take common 5 from equation 2nd then it is same as 1st. So 1st and 2nd equation will become equal but not there value.

glad! If it helps you.