Which system of equations has the same solutions as the system below? 3x - y = 7
2x + 3y = 12
1) 6x - 2y = 14
3) -9x - 3y = -21
-6x +9y = 36
2x + 3y = 12
2) 18 -6y = 42
4) 3x-y=7
4x + 6y = 24
x+y=2

1. 2. ∠b and ∠y are right angles. 3.? 4.? which two statements are missing in steps 3 and 4? ∠x ≅ ∠c △abc ~ △zyx by the sas similarity theorem. ∠b ≅ ∠y △abc ~ △zyx by the sas similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem. = 2 △abc ~ △zyx by the sss similarity theorem.