Solve the simultaneous equations: and

Put equation two into the first equation by replacing values of y with 2x-4

4 (2x-4) + 3x=12

8x-16+3x=12

11x=28

x=28/11

Put the value of x into the original equation to find the value of y.

y=2 (28/11) - 4

y=56/11-4

y=12/11

x=28/11 and y=12/11