Answer:
B) 
Step-by-step explanation:
−x + 3 = 2x - 3
-2x - 2x
___________
−3x + 3 = −3
- 3 - 3
_________
−6 = −3x
__ ___
−3 −3
[Plug this back into both equations above to get the y-coordinate of 1]; 
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Answer:
8
Step-by-step explanation:

× 8
= 3
In algebra:
× y = 3
y = 3 ÷ 
y = 8