Asked by Donald
solve by elimiation
2r - 9s = -17
9r + 2s = 51
2r - 9s = -17
9r + 2s = 51
Answers
Answered by
drwls
Multiply your first equation by -9 and the second equation by 2.
-18r + 81s = 153
18r + 4s = 102
Next, add those two equations to eliminate the "r" variable.
85s = 255
Take it from there
-18r + 81s = 153
18r + 4s = 102
Next, add those two equations to eliminate the "r" variable.
85s = 255
Take it from there
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.