Tuesday

March 31, 2015

March 31, 2015

Posted by **sunny** on Friday, December 16, 2011 at 9:17am.

- maths -
**Anonymous**, Friday, December 16, 2011 at 10:39am4 / x - 2 > 5

4 / x > 5 + 2

4 / x > 7 Multiply both sides with x

4 > 7 x Divide both sides with 7

4 / 7 > x

This mean:

x < 4 / 7

x must be > 0 besouse in expresion:

4 / x - 2 > 5

4 / 0 = undefined

So solution are:

0 < x < 4 / 7

- maths -
**Anonymous**, Friday, December 16, 2011 at 10:47amFor negative numbers 4 / x - 2 is always negative so negative numbers canīt be sloutions.

**Answer this Question**

**Related Questions**

Mathematics concepts - Matthew sits at his desk unable to figure out the answer ...

math concepts - Matthew sits at his desk unable to figure out the answer to a ...

algebra - solve by the elimination method 3r - 7s =-29 7r + 3s = 29 What is the ...

Math - Solve by the elimination method. 4x +5y=1 8x +10y=2 What is the solution ...

Math - How do you set this problem up to solve and how do you solve this? Ellen ...

algebra final, please help - Solve (x+17)(x-20)(x+8)>0 The solution set is (x...

Precalculus - How can I type this equation in the graphing calculator? y=pi(25-x...

math - Solve the system of equations by graphing. Then Classify the system? 4u+v...

math - Solve the system of equations by graphing. Then classify the system? y= -...

Algebra 1A - could someone please help and check my answer thank you. simplify ...