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2 years ago

15

ILL GIVE U BRAINLYIST IF U ANSWER. Find the solution to the system of equations below (you can do this by substitution or elimin

ation).
-4x+y=6
-5x-y=21

1 answer:

cricket20 [7]2 years ago

7 0

Elimination:

-4x+y=6

-5x-y=21 ...and then u add them together so its;

(the y cancelled out so its 0) x =27

plug in the 27 to any x...

-4(27) + y = 6

-108+y=6

add -108 on both sides so its...

y= -102

(27, -102)

Hope this helped :)

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Read 2 more answers