stripvar: Removes part of expression containing variable
Description
Yacas' Solve(eq, x) can return e.g.
x == expr and {x == expr1, x == expr2, ...}.
Some usages are easier if the initial x == part is removed.
This is the purpose of this function.
Usage
stripvar(expr, var)
Value
Expression with left-hand side removed
Arguments
expr
Expression where x == expr should be replaced to expr