### Home > CCA > Chapter 4 > Lesson 4.2.5 > Problem 4-81

4-81.

Solve the following systems of equations using any method. Check each solution, if possible. Homework Help ✎

−2

*x*+ 3*y*= 1

2*x*+ 6*y*= 2

9*y*= 3Find

*y*then input the answer into one of the equations above to find*x*.

Use the Substitution Method. The equivelant of

*x*is already given.*x*= −6 and*y*= 2

Refer to parts (a) and (b) for help. Be aware of the −

*y*in the first equation.

Use the elimination method like in part (a).

Multiply the first equation by −3.