Pre-Calc/Chapter 7: Systems and Matrices/7.1 Solving Systems of Two Equations/Solve System by Substitution Solve the system by substitution. x - 4y = -312x - 4y = -34 Solve the system by substitution.

 x - 4y = -31
2x - 4y = -34]]> 1.0000000 0.3333333 0 true true abc (-3, 7) Correct No solution Incorrect (-2, -3) Incorrect (-2, 6) Incorrect