Question

3x - 9y = - 12
6x + 20y = -62​

Answer 1

x = -1

y = 1

Explanation:

3x - 9y = - 12 | ×2 |

6x + 20y = -62 | ×1 |

6x - 18y = -24

6x + 20y = -62

____________--

-38y = -38

y = -38/-38

y = 1

3x - 9y = - 12

3x - 9(1) = - 12

3x - 9 = -12

3x = -12 + 9

3x = -3

x = -3/3

x = -1

Answer 2

x=-7

y=-1

Explanation:

shown above in the photo