# Thread: Can we treate ineuality equation same as equaliti equation?

1. Good post? |

e.g x + y > 3
x < y

then x + 2y > x + 3

Please provide me with any good site.

2. Good post? |

Hi pateljk, I don't have any good sites for inequalities, but trysomething like: http://www.quickmath.com/www02/pages...es/index.shtml or search for "math inequality examples" on search engines such as google or lycos.

Regarding the question:

x + y > 3
x < y

Add x to both sides: x + x + y > x + 3

Adding "y" to "x + y" such as in "x + 2y > x + 3" would definitely make it bigger than "x + 3", since "x" (which is less than "y") added to "x + y" also does.

Wood

3. Good post? |
x + y > 3
=> x + y + y > y + 3 ..... (1)

again y > x
so y + 3 > x + 3 .....(2)

from (1) and (2)
x+ 2y > x + 3

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