peko31 peko31
  • 20-06-2017
  • Mathematics
contestada

Solve 8[7-(6x-6)]+6x=0

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ixxyvx
ixxyvx ixxyvx
  • 20-06-2017

8[7 - (6x - 6)] + 6x  =  0          

 

8[7 - 6x + 6] + 6x  =  0            

56 - 48x + 48 + 6x  =  0        

 

104 - 42x  =  0                       .

 

- 42x  =  - 104                        .

 

x  =  52 / 21

x  ≈  2.476

Answer Link
mergl
mergl mergl
  • 20-06-2017
8[7-(6x-6)]+6x=0
8[7-6x+6]+6x=0
8[13-6x]+6x=0
104-48x+6x=0
104-42x=0
104=42x
52=21x
x=52/21
Answer Link

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