Solve graphically the system of linear equations:
Find the area bounded by these lines and x-axis.
They meet at x = 2, y = 4
Height of the triangle formed = 4 units
Base of the triangle formed = 5 + 1 = 6
Area of the region bounded by these lines and x-axis
= 0.5 × 4 × 6
= 12 sq. units