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Home > CC4 > Chapter 8 > Lesson 8.1.2 > Problem 8-31

8-31.

Solve each system of equations using the method of your choice. Homework Help ✎


  • Try rearranging the first equation and then using the Elimination method.

  • Rearrange the first equation so that is first. Multiply the top equation by to eliminate . Add the two equations to solve for .

  • Substitute the -value into an equation to find .



  • The first equation is already .
    Use it to solve for .

  • Substitute x = 3 into the second equation and solve for .