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Given the system of equations, what is the value of the system determinant? 2x + y = 8 x - y = 10

Given the system of equations, what is the value of the system determinant? 2x + y = 8 x - y = 10
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Given the system of equations, what is the value of the system determinant?

2x + y = 8
x - y = 10

asked
User Ehud
by
8.7k points

2 Answers

1 vote
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)
answered
User Carlyn
by
7.4k points
1 vote

Answer: The answer is -3

Step-by-step explanation: I know because I just got it right.

answered
User Fabrizio Calderan
by
8.1k points
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