Solve the following system of equations using elimination.
-4x - 15y = -17
4x + 5y = -13
A add these and we get that -10y = -30
B -10 y = -30
y = -30/-10 = 3
C 4x + 5(3) = -13
D 4x + 15 = -13
4x = -13 -15
4x = -28
x = -28/4 = -7
E (x , y) = ( -7 , 3)
