How do you solve answers for x and y?
2x - 4y = 10
x + 5y = -9
2x - 4y = 10
x + 5y = -9
x = -9 - 5y
2(-9 - 5y) - 4y = 10
-18 - 10y - 4y = 10
-14y = 28
y = -2
2x - 4y = 10
x + 5y = -9
x + 5y = -9
x = -9 - 5y
2(-9 - 5y) - 4y = 10
-18 - 10y - 4y = 10
-14y = 28
y = -2