Gengerbell Gengerbell

14-05-2020
Mathematics

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Which is the solution of the following system of equations: 2x + y = 4 3x – y = - 14

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nktselepov nktselepov

14-05-2020

[tex]2x + y = 4 \\ 3x - y = - 14 [/tex]

Lets add 2 equations

[tex]5x = - 10 \\ x = - 2[/tex]

Now we need to put x into any equation

[tex]2 \times ( - 2) + y = 4 \\ - 4 + y = 4 \\ y = 8[/tex]

Answer: (-2; 8)

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