158k views
0 votes
How do i solve 7x-y=21

2 Answers

5 votes
The answer answer is actually -3 because you divided 7 from 21 and you get 3 then you divided -1 because the y has a negative sing on it and you want it to be positive. That is why the answer is -3
User Lauri
by
8.7k points
5 votes
it is 3 because we multiply 3 and 7 and we get 21
User Thitemple
by
8.1k points

No related questions found

Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.4m questions

12.2m answers

Categories