2x - y = -17 --- (1)
4x - y = -4 --- (2)
From (2), we have:
y = 4x + 4 --- (3)
Substituting (3) into (1), we will get:
2x - (4x + 4) = -17
2x - 4x - 4 = -17
-2x = 4 - 17
-2x = -13
x = -13 / -2
x = 13 / 2
Substituting x = 13 / 2 into (3), we have:
y = 4(13 / 2) + 4
y = 26 + 4
y = 30
Hence x = 13/2 and y = 30.