Question

Find the solution of the linear equation x + 2y = 8 which represents a point on x-axis.

Answer 1

The linear equation which lies on the x-axis has its ordinate 0.

Now, Putting y = 0 in the equation x + 2y = 8, we get:

x + 2y = 8

x + 2 × 0 = 8

x = 8