Given the system of equations, what is the value of the system determinant?
2 answers:
Answer: The answer is -3
Step-by-step explanation: I know because I just got it right.
2x + y = 8
x - y = 10
--------------add
3x = 18
x = 6
x - y = 10
6 - y = 10
-y = 10 - 6
-y = 4
y = -4
solution is : (6,-4)
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