this is not a question but i got a 83% from you guys if it wasnt for yall i would have problly failed this test thx so much

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

2x minus y equals 6, x plus y equals negative 3

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.