Posted by **Tristan** on Thursday, May 9, 2013 at 10:23pm.

Solve the equation |2x − 5| £ 9

- Algebra 2 -
**Steve**, Friday, May 10, 2013 at 11:07am
recall that |n| =

n if n>=0

-n if n<0

So, we have two possibilities.

If 2x-5 >= 0,

2x-5 = 9

x = 7

If 2x-5 < 0,

-(2x-5) = 9

2x-5 = -9

x = -2

So, x = -2,7

## Answer This Question

## Related Questions

- algebra - Below are the steps to solve an equation: Step 1: |x − 2| + 3 = ...
- ALGEBRA - Bill is solving the equation 26x−21(6x+51)=40(11x+139). The ...
- math - Elimination was used to solve a system of equations. One of the ...
- algebra - Which choice is the equation of a line that passes through the point (...
- algebra ll - Which choice is the equation of a line that passes through the ...
- linear algebra - solve using gauss jordan 10y − 4z + w = 1 x + 4y − ...
- algebra - Solve the equation algebraically. Round the result to three decimal ...
- ALEGEBRA 1 - Part A: Explain why the x-coordinates of the points where the ...
- calculus - Find an equation for the surface consisting of all points P(x, y, z) ...
- algebra - Complete the table below to solve the equation 2.5x − 10.5 = 64(...

More Related Questions