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July 28, 2014

July 28, 2014

Posted by **Ronnie** on Thursday, September 2, 2010 at 10:57am.

Problem: 2x+1/4-3x-4/5=1/2

I get: 10x+5-12x-16=10

Which gives me -2x=21

My answer is -21/2

the correct answer is suppose to be 11/2

- math -
**Reiny**, Thursday, September 2, 2010 at 12:16pmThe way you typed it ...

2x+1/4-3x-4/5=1/2

-x = 1/2 - 1/4 + 4/5

-x = 21/20

x = -21/10 or -1.05

check:

LS = 2(-1.05) + .25 -3(1.05) - .8 = .5

RS = 1/2 = .5

My answer works for the way you wrote the equation

RS =

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