How do you solve the system of equations #-6x-7y = 12# and #6x + 10y = 6#?

1 Answer
Annie
Aug 21, 2016

y=6. X=-9

Explanation:

-6X - 7y. = 12
6X+ 10y =6

Add the equations
3y =18

So y=6

Now put this value into one of the equations:
6X + 10x6 =6
6X=-54
X=-9

Check by putting these values in the other equation

-6x-9. -7x6 =54-42=12
Correct

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