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3. - 4x + y = 6 - 5x - y = 21
210k views
2 votes
3.
- 4x + y = 6
- 5x - y = 21

User Afaulconbridge
by
3.4k points

2 Answers

2 votes

Explanation:

-4x+y=6

-5x-y=21

y=6+4x

-5x-(6+4x)=21

-5x-6-4x=21

-5x-4x=21+6

-9x=27

-9x÷9=27÷9

x=3

y=6+4x

=6+4(3)

=18

User Szymon Seliga
by
3.6k points
5 votes

Answer:

(-3,-6)

Explanation:

You need to solve for the system of equations.

User Aamer
by
3.6k points
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