what this question is saying is to put all the points A-D into both equations to see if they work. if you plug your points into the equation the answer should be equal to eachother. After putting points A-D into both equations the answer is B. (-1,-5) is the solution to the two equations. EQUATION 1: (6x+4y=-26) 6(-1)+4 (-5)=-26 6 (-1)=-6 &4 (-5)=-20 -20+-6=-26 EQUATION 2: (2x+8y=-42) 2(-1)+8(-5)=-42 2 (-1)=-2 & 8(-5)=-42 -2+(-40)=-42 -42=-42 -
