secret13 secret13
  • 16-02-2015
  • Mathematics
contestada

solve.
(2x+3/12)=2x/8

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Silverr
Silverr Silverr
  • 16-02-2015
(2x+3/12)=2x/8

Simplified: 2x+1/4 = x/4

Put each term in 2x+1/4 over the common denominator 4: [tex]2x+1/4 = (8x)/4+1/4:[/tex]

[tex](8x)/4+1/4 = x/4[/tex]



Multiply both sides by 4:
[tex]8x+1 = x[/tex]


Subtract x from both sides:
[tex](8x-x)+1 = x-x [/tex]

[tex]8x-x = 7x: 7x+1 = x-x x-x = 0:[/tex]
[tex]7x+1 = 0 [/tex]


Subtract 1 from both sides:
[tex]7x+(1-1) = -1[/tex]

1-1 = 0: 7x = -1


Divide both sides of 7x = -1 by 7:
(7x)/7= (-1)/7

7/7= 1 


Answer:[tex] x = (-1)/7[/tex]
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