Question

For solving pair of equation, in this exercise use the method of elimination by equating coefficients:

y = 2x - 6; y = 0

Answer 1

y = 2x - 6     ...(1)
y = 0     ...(2)

Adding equation (1) and (2)
2x - y = 6
+    y = 0  
2x = 6
x = 3

∴ x = 3 and y = 0.