Question

5. Draw the graph of the linear equation 2x - y + 1 = 0. Find the values of x and y if the graph passes through the points (x, 4) and (1/2, y).
Don't draw the graph.​

Answer 1

Answer:

Plotting 2x−y−1=0 and 2x+y=9 in the graph,we get

the point of intersection is (2.5,4)