The table can be used to determine the solution of equations, 2x - 2y = 6 and 4x + 4y = 28.
original
system
equivalent
system
sum of
equations in
equivalent
system
solution
to
system
new
system
using sum
solution to
new
system
4x + 4y = 28
2x-2y = 6
4x+4y = 28
4x - 4y = 12
4x+4y= 28
8x = 40
8x = 40
which solution can be used to fill in both blanks in the table?
(2,5)
(5,2)
(5, -8)
(-8,5)