Algebra 2
posted by Tristan .
Solve the equation 2x − 5 £ 9

recall that n =
n if n>=0
n if n<0
So, we have two possibilities.
If 2x5 >= 0,
2x5 = 9
x = 7
If 2x5 < 0,
(2x5) = 9
2x5 = 9
x = 2
So, x = 2,7
Respond to this Question
Similar Questions

calculus
Find an equation for the surface consisting of all points P(x, y, z) equidistant from the point P(0, 1, 0) and the plane x = 3. Answer Choices: 1. y2 + z2 − 6x + 2y − 8 = 0 2. x2 + z2 + 6y − 2z − 8 = 0 3. y2 … 
algebra ll
Which choice is the equation of a line that passes through the point (5, –1) and is perpendicular to the line represented by this equation? 
linear algebra
solve using gauss jordan 10y − 4z + w = 1 x + 4y − z + w = 2 3x + 2y + z + 2w = 5 −2x − 8y + 2z − 2w = −4 x − 6y + 3z = 1 
algebra
Which choice is the equation of a line that passes through the point (5, –1) and is perpendicular to the line represented by this equation? 
ALGEBRA
Bill is solving the equation 26x−21(6x+51)=40(11x+139). The following shows the steps he has used so far to solve the equation. Step1:26x−21(6x)−21(51)=40(11x)+40(139) Step2:26x−126x−1071=440x+5560 Which … 
algebra
Solve the equation algebraically. Round the result to three decimal places. Verify your answer using a graphing utility. e−^8x − 6xe^−8x = 0 x = I need help solving this problem. 
algebra
Below are the steps to solve an equation: Step 1: x − 2 + 3 = 7 Step 2: x − 2 = 7 − 3 Step 3: x − 2 = 4 Which of the following is a correct next step to solve the equation? 
algebra
Complete the table below to solve the equation 2.5x − 10.5 = 64(0.5x). x f(x) = 2.5x − 10.5 g(x) = 64(0.5x) 2 3 4 5 6 
ALEGEBRA 1
Part A: Explain why the xcoordinates of the points where the graphs of the equations y = 2−x and y = 4x + 3 intersect are the solutions of the equation 2−x = 4x + 3. Part B: Make tables to find the solution to 2−x … 
math
Elimination was used to solve a system of equations. One of the intermediate steps led to the equation 9x=27 . Which of the following systems could have led to this equation?