k3trinicoMimiraG k3trinicoMimiraG

01-07-2016
Mathematics

contestada

Given the system of equations, what is the value of the system determinant?

2x + y = 8
x - y = 10

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texaschic101 texaschic101

01-07-2016

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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madelinebach1 madelinebach1

22-02-2019

Answer: The answer is -3

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

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