GonzaloCanul GonzaloCanul

11-07-2015
Mathematics

contestada

What is the value of y in the solution to the following system of equations? 5x − 3y = −11 2x − 6y = −14

Respuesta :

11-07-2015

[tex]5x-3y=-11 \ \ \ \ \ \ \ \ \ \ \ |\times 2 \\ 2x-6y=-14 \ \ \ \ \ \ \ \ \ \ \ |\times (-5) \\ \\ 10x-6y=-22 \\ \underline{-10x+30y=70} \\ 30y-6y=70-22 \\ 24y=48 \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ |\div 24 \\ y=2[/tex]

The value of y is 2.

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