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So that’s going to be 14 absolute values of x plus 7, 14 times the absolute value of x plus 7.

To log in and use all the features of Khan Academy, please enable JavaScript in your browser. You’ll see what I mean. So I want to get rid of this positive 4. Algebra 2 Polynomial functions Overview Basic knowledge of polynomial functions Remainder and factor theorems Roots and zeros Descartes’ rule of sign Composition of functions.

Algebra 2 Polynomials and radical expressions Overview Simplify expressions Polynomials Factoring polynomials Solving radical equations Complex numbers. We’re just going to solve for the absolute value of x plus 7.

How to graph functions and linear equations. And just think about that for a second. The 4 and the negative 4 cancel lagebra, and that was intentional.

### Larson Algebra 2 () :: Homework Help and Answers :: Slader

Algebra 2 Quadratic functions and inequalities Overview How to graph quadratic functions How to solve quadratic equations The Quadratic formula Standard deviation and normal distribution.

So you could almost treat this expression– the absolute value of x plus 7, you can just treat it as a variable, and then once you algwbra for that, it becomes a simpler absolute value problem.

So just as promised, we’ve now solved for the absolute value of x plus 7, but we really need to solve for x. Quadratic functions and inequalities. Algebra 2 How to solve system of linear equations Overview Solving systems of equations in two variables Solving systems of equations in three variables.

Solve absolute value equations. If you’re seeing this message, it means we’re having trouble loading external resources on our website. Exponential and logarithmic functions. Easiest way to get rid of it is to add 6 times the absolute value of x plus 7 to the right-hand side.

## Worked example: absolute value equation with two solutions

Algebra 2 Conic Sections Overview Distance between two points and the midpoint Equations of conic sections. So I want to get all of the absolute values of x plus 7 on the left-hand side, so I want to get rid of this one on the right-hand side.

Discrete mathematics and probability.

We’re just subtracting 7 from both sides. So that’s one possibility for x.

## CHEAT SHEET

We can’t, of course, only do that to the right-hand side. If these two things are equal and we are being told that they are, then if you add something on this side, the only way that the equality will hold is if you still do it on the left-hand side.

So that’s going to be equal abswers 2.

Search Pre-Algebra All courses. Algebra aswers Sequences and series Overview Arithmetic sequences and series Geometric sequences and series Binomial theorem. Video transcript We’re asked to solve for x. Intro to absolute value equations and graphs.

You have these absolute values in it. Now the key here– at first it looks kind of daunting. So how can we reason through this? Algebra 2 Exponential and logarithmic functions Overview Exponential functions Logarithm and logarithm functions Logarithm property.