rocksamantha5 rocksamantha5

17-05-2016
Mathematics

contestada

Given: 5 > x + 7.

Choose the solution set.

{x | x R, x > -2}
{x | x R, x < -2}
{x | x R, x > 2}
{x | x R, x < 2}

Respuesta :

Willchemistry Willchemistry

17-05-2016

[tex]5\ \textgreater \ x+7[/tex]

Switch sides:

[tex]x+7\ \textless \ 5[/tex]

Subtract 7 from both sides :

[tex]x+7-7\ \textless \ 5-7[/tex]

[tex]x\ \textless \ -2[/tex]

Answer B

{x | x R, x < -2}

hope this helps!

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