Question

Which ordered pair in the form (a, b) is a solution of this equation?

7a – 5b = 28


A.
(0, 4)

B.
(4, 0)

C.
(–2, –3)

D.
(–3, –2)

Answer 1

try plugging the points, example first point you have (0,4)
7a - 5b = 28
7(0) - 5(4) = 28
0 - 20 = 28
-20 = 28 not good try the others

Answer 2

so if i replace the numbered pairs with the a and b sooner or later i will get the answer?

Answer 3

correct

Answer 4

thank you so much i get it now :D

Answer 5

your welcome :)