Question 1012034
There's some rounding issues, but the idea's still there.
*[invoke linear "x", "y", 1/2, -3/2, -29/2, 1/3, -3, 33 ]
*[invoke linear_substitution "x", "y", 1/2, -3/2, -29/2, 1/3, -3, 33 ]