4x + 1 - 3x + 3y = 4x + 4(x - 1)
2x - 4 - y² = y - y² - 1
x + 1 + 3y = 4x + 4x - 4
2x - 4 = y² + y - y² - 1
-7x = -3y - 1 - 4
2x - 4 + 1 = y
-7x = -3y - 5
-y = -2x + 4 - 1
3y = 7x - 5
y = 2x - 3
3y = 7x - 5
3(2x - 3) = 7x - 5
6x - 9 = 7x - 5
6x - 7x = 9 - 5
-x = 4
x = -4
y = 2x - 3
y = 2(-4) - 3
y = -8 - 3
y = -11
x = -4
y = -11
