Asked by Danny
Solve system by substitution or elimination x+4y=13
2x+3y=6
2x+3y=6
Answers
Answered by
Steve
substitution:
x = 13-4y, so
2x+3y = 2(13-4y)+3y = 6
26-8y+3y = 6
-5y = -20
y = 4
so, x=13-4y=13-4*4 = -3
Elimination:
Multiply the 1st equation by 2, and you get
2x+8y=26
2x+3y=6
Now subtract and you have
5y=20
and so on as above,
x = 13-4y, so
2x+3y = 2(13-4y)+3y = 6
26-8y+3y = 6
-5y = -20
y = 4
so, x=13-4y=13-4*4 = -3
Elimination:
Multiply the 1st equation by 2, and you get
2x+8y=26
2x+3y=6
Now subtract and you have
5y=20
and so on as above,
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.