Problem 455

Solve the following system of equations.

x +7y = 6 (1)

x  = 3 – 7y (2)

What is the solution of the system?

 

Solution:-

 

Put the value of x from the equation (2) into (1)

3-7y+7y=6

3=6

Which is not equal so here is no any solution of the system.