### Home > A2C > Chapter 3 > Lesson 3.1.3 > Problem 3-43

3-43.

Solve the following systems of equations. Homework Help ✎

3

*x*− 2*y =*14

−2*x*+ 2*y*= − 10*y*= 5*x*+ 3

−2*x*− 4*y*= 10Which system above is most efficiently solved by using the Substitution Method? Explain.

Which system above is most efficiently solved by using the Elimination Method? Explain.

If you need a reminder of how to solve systems of equations, refer to the Math Notes boxes in Lessons 2.1.1 and 2.1.3.

Which criteria make a system easier to solve with the Substitution Method?

Which criteria make a system easier to solve with the Elimination Method?