3y - 2x = 16 6x +7y = -16

Question

3y - 2x = 16 6x +7y = -16

Answer 1

Ответ:

1. 3у-2x=16

-2x+3y=16

2x-3y=-16

2. 6x+7y=-16

6x+7y+16=-16+16

6x+7y+16=0