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4 votes
-5x + y = -6

7x + 2y = 39

User Kris Hunt
by
6.1k points

1 Answer

2 votes

Answer:

x=3, y=9

Explanation:

Mulriplying the first equation by 2 yields -10x+2y=-12.

Subtracting the second equation from this gives -17x=-51, and thus x=3.

Substituting this back into the first equation gives -15+y=-6, and thus y=9.

User SMKrizan
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6.4k points