Respuesta :

sheavner
if EG=67 we have (3x+7)+(5x-4)=67
let's simplify
[tex]67 = (3x + 7) + (5x - 4) \\ 67 = 8x + 3 \\ 64 = 8x \\ \frac{64}{8} = x \\ 8 = x[/tex]
now we know x is 8 we can use this to find EF
since EF=3x+7
[tex]3(8) + 7 = 24 + 7 = 31[/tex]
so we have EF is 31!
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EF is equal to 32 since
when you combine 3x+7 and 5x-4 you get that x is equal to 8. Plug in 8 to to 3x-7 and you get 3-.

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