Question

Is (-2,-1) a solution to the system
-2x+5y=-1
4x-2y=-6

Answer 1

Yes.
-2(-2)=4
5(-1)=-5
4-5=-1

4(-2)=-8
-2(-1)=2
-8+2=-6

Answer 2

Explanation:

-2x + 5y = -1 .... (1)

4x -2y = -6....... (2)

Substituting x = -2 and y= -1 in the first equation.

It becomes; -2 (-2) + 5(-1)

= 4 -5

= -1 (SATISFIED)

FOR THE SECOND EQUATION:

4x - 2y = -6

Substitute x = -2; y = -1

The equation becomes:

4(-2) - 2(-1)

= -8 +2

= -6 (SATISFIED)

IT THEREFORE MEANS THAT (-2. -1) IS A SOLUTION TO THE SYSTEM.

Hope this helps!