1. The method of substitution is likely the best method for which system?

−8x−2y=18x−2y=5

2x+y=103x+2y=5

5x−2y=32x+2y=1

−3x+2y=93x−5y=4


2. Solve the system of equations using the substitution method.

5x−4y=−15x−3y=−3

(3, 0)

(0, -4)

(-3, 0)

(0, -3)