Question

Using the graphical method, solve the simultaneous equations: x + y = 3, 3x + y = 5

Answer 1

Answer: (1,2)

Explanation:

1)

x+y=3

y=-x+3

x | 0 | 3 |

y | 3 | 0 |

2)

3x+y=5

y=-3x+5

x | 0 | 2 |

y | 5 | -1 |