Practice Problems

Solve the system of equations.

  1. $$5x−4y=-10$$

    $$y=2x-5$$

  2. $$-4x+11y=15$$

    $$x=2y$$

  3. $$10x-9y=24$$

    $$y=x-2$$

  4. $$-5x+4y=3$$

    $$x=2y-15$$

Source: Khan Academy, https://www.khanacademy.org/math/algebra/x2f8bb11595b61c86:systems-of-equations/x2f8bb11595b61c86:solving-systems-of-equations-with-substitution/e/systems_of_equations_with_substitution
Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 License.

Back to '6.3: Solving Systems of Linear Equations Using the Substitution Method'