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1 vote
3x - 9y = - 12
6x + 20y = -62​

User Paul Odeon
by
5.1k points

2 Answers

2 votes

Answer:

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

User HumbleBeginnings
by
3.8k points
3 votes

Answer:

x=-7

y=-1

Explanation:

shown above in the photo

3x - 9y = - 12 6x + 20y = -62​-example-1
User Vu Phung
by
4.7k points