B!!!!!!
Step-by-step explanation:

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Answer:
one solution: (-1,1)
Step-by-step explanation:
we have
----> equation A
----> equation B
Solve the system by substitution
Substitute equation A in equation B

solve for x




<em>Find the value of y</em>
----> 
The solution is the point (-1,1)
therefore
one solution: (-1,1)
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