trinityoverly trinityoverly

22-09-2019
Mathematics

contestada

solve for x: 2/7 (x-2)=4x.
a) x=2/13
b) x=-2/13
c) x=-13/2
d) x=13/2

Respuesta :

boublesmack911 boublesmack911

23-09-2019

Answer:B

Step-by-step explanation:

2/7(x−2)=4x

2/7x+−4/7=4x

2/7x+−4/7

−4x=4x−4x

−26/7x+−4/7=0

−26/7x+−4/7+4/7=0+4/7−26/7x=4/7

(7−26)*(−26/7x)=(7/−26)*(4/7)

x=−2/13

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