sueube1998 sueube1998

01-10-2020
Mathematics

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2 1/7+ 3/7 (3x−5)=−4
A. X= -5 1/7
B. X= -3 1/9
C. X= 1 23/49
D. - 8/9

Respuesta :

mikolyuknellie mikolyuknellie

01-10-2020

Answer:

B. X= -3 1/9

You started with multiplying 3/7 and 3x then 3/7 and -5

you get 2 1/7 + 9/7x - 2 1/7= -4

you add 2 1/7 and -2 1/7

you get 9/7x = -4

then you divide both sides by 7

you get 9x= -4

then divide both sides by 9

you get x= -3 1/9

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