26-04-2018
Mathematics

contestada

What is the solution to
{4x - y = 8
{6x + y = 2

Respuesta :

kenide992 kenide992

26-04-2018

[tex]4x - y = 8 \\ + 6x + y = 2 \\ = = = = = = = = \\ 10x = 10 \\ 10 \div 10 = 1 \\ x = 1 \\ \\ \\ 6x + y = 2 \\ 6(1) + y = 2 \\ 6 + y = 2 \\y = 2 - 6 \\ y = - 4 \\ \\ \\ \\ check \\ \\ 6x + y = 2 \\ 6(1) + y( - 4) = 2 \\ 6 - 4 = 2 \\ 2 = 2[/tex]

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