4013.sagews

solve ([6-2*(x-3)==3+x],x)

[x == 3]

solve ([-5*x > 20],x)

[[x < -4]]

solve ([5 + x < -3],x)

[[x < -8]]

def f(x):

solve ([f*(x)==3-2*x^2],x)
      x=100

Traceback (most recent call last): File "<stdin>", line 1, in <module> File "_sage_input_21.py", line 10, in <module> exec compile(u'open("___code___.py","w").write("# -*- coding: utf-8 -*-\\n" + _support_.preparse_worksheet_cell(base64.b64decode("ZGVmIGYoeCk6Cgpzb2x2ZSAoW2YqKHgpPT0zLTIqeF4yXSx4KQogICAgICB4PTEwMA=="),globals())+"\\n"); execfile(os.path.abspath("___code___.py"))' + '\n', '', 'single') File "", line 1, in <module> File "/tmp/tmp62GiCs/___code___.py", line 5 exec compile(u'solve ([f*(x)==_sage_const_3 -_sage_const_2 *x**_sage_const_2 ],x)\n x=_sage_const_100 ' + '\n', '', 'single') ^ IndentationError: expected an indented block

var ('A')
solve ([A==2+x],x)

[x == A - 2]