Answer :
7x + 5y = 19
-7x - 2y = -16
3y = 3
3 3
y = 1
7x + 5y = 19
7x + 5(1) = 19
7x + 5 = 19
-5 - 5
7x = 14
7 7
x = 2
(x, y) = (2, 1)
The method would be a elimination method (the answer is C).
-7x - 2y = -16
3y = 3
3 3
y = 1
7x + 5y = 19
7x + 5(1) = 19
7x + 5 = 19
-5 - 5
7x = 14
7 7
x = 2
(x, y) = (2, 1)
The method would be a elimination method (the answer is C).