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September 16, 2014

September 16, 2014

Posted by **Lisa** on Friday, March 21, 2008 at 8:22pm.

1-3/2x=7/4

my answer is it is an inconsistent equation

- Math -
**Reiny**, Friday, March 21, 2008 at 9:14pmsure looks very consistent to me

1-3/2x=7/4

(-3/2)x = 7/4 - 1

(-3/2)x = 3/4 (times 4 )

-6x = 3

x = -1/2

What is a conditional equation?

- Math -
**Qun**, Friday, March 21, 2008 at 11:33pmThis is rather about the concept:

1) Identity means both sides are equal no matter what the value x will take.

example: 2+x=x+2

2) inconsistent: means the equation is not true regardless the x value.

example: 2+x=3+x

3) conditional: The equation is true at certain x value.

example: x+2=5, it is true if x=3.

Make sense?

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