Question: Use any method to solve the system. Explain your choice of method. 1. 2. 3. [3 5 %3D 7 12x + y = 9 2

Use any method to solve the system. Explain your choice of method.
1.

[3х — 5у %3D 7 12x + y = 9 2х

2.

S-x + 3y = 17 4х + Зу %3D 7

3.

[3 5 %3D 7 12x + y = 9 2 S-x +

[3 5 %3D 7 12x + y = 9 2 S-x + 3y = 17 4 + %3D 7

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