Question

Solve the following system of equations: {−6x−y=2−7x−4y=−9

Answer 1

x=-1, y=4. (-1, 4).

Explanation:

-6x-y=2

-7x-4y=-9

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y=-6x-2

-7x-4(-6x-2)=-9

-7x+24x+8=-9

17x=-9-8

17x=-17

x=-17/17

x=-1

-6(-1)-y=2

6-y=2

y=6-2=4