cheyenneburkes04 cheyenneburkes04

04-05-2020
Mathematics

contestada

log(-2x+9)= log(7-4x)

Respuesta :

mysticchacha mysticchacha

05-05-2020

Answer:

x = -1

Step-by-step explanation:

log(-2x+9)= log(7-4x)

becomes:

-2x + 9 = 7 - 4x as long as these are not negative

2x + 9 = 7

2x = -2

x = -1

check

-2*(-1) + 9 = 2 + 9 = 11

ok

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