Question

Which ordered pair is a solution of the equation? ( please show work)

Answer 1

4x-2y=16

You have to plug in the possible choices to figure out the solution

(6,4)
4(6)-2(4)=16
24-8=16
16=16
therefore (6,4) is the solution (D)

Answer 2

4x-2y=16
divide equation by 2
2x-y=8

Answer is D) (6,4)
because...
2(6)-(4)=8
12-4=8