Solve the following system of equations by using elimination.

large 3x-y=28

large 3x+y=14

a

(8, -4)

b

(7, -7)

c

(-4, 8)

d

(-7, 7)

Solve the following system of equations by using elimination.

large 3x-y=28

large 3x+y=14

a

(8, -4)

b

(7, -7)

c

(-4, 8)

d

(-7, 7)