Juliexswitch Juliexswitch

26-02-2021
Mathematics

contestada

I need help with my math assignment

I need help with my math assignment class=

Respuesta :

rorycampbell0721 rorycampbell0721

26-02-2021

Answer:

B. 89

Step-by-step explanation:

LOE + EOV = LOV,

becomes

[tex]7x+12+4x+9=142\\11x+21=142\\11x=121\\x = 11[/tex]

LOE = 7x + 12, so:

[tex]7 * 11 + 12\\77 + 12\\89[/tex]

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