What is the answer choice? A 288 B 108 C 18 D 72
2 answers:
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Answer:
(-1,-3)
Step-by-step explanation:
The given system of equations is;
and
Let us equate the two equations to get;
Group similar terms;
Simplify;
Divide both sides by 9.
Put x=-1, into any of the equations, say (2);
The solution is;
(-1,-3)