Question

Does anyone know any websites that substitute equations?

Answer 1

Do you mean problems like:

x + 2y = 4
-5x + y = 10
-----------
Solve for x and y

Or, do you mean something else.

Answer 2

@sbuck98

Answer 3

http://www.regentsprep.org/regents/math/algebra/ae3/algsys.htm

Answer 4

https://www.khanacademy.org/math/algebra-basics/core-algebra-systems/core-algebra-systems-tutorial/v/solving-linear-systems-by-substitution

Answer 5

Yes @Directrix

Answer 6

http://www.mathpapa.com/calc/tutorial/solving-systems-of-equations/

http://calculator.tutorvista.com/system-of-equations-solver.html

http://onlinemschool.com/math/assistance/equation/combined_equations/
(set tab for systems of 2 equations, or 3,

http://www.mathportal.org/calculators/system-of-equations-solver/system-2x2.php