# How to solve 3x 2 ### Introduction: Solving 3x + 2 = 8

In this Instructible, I will show you how to solve the equation 3x + 2 = 8.

### Step 1: Step 1: Subtract

The first step is to subtract 2 from both sides of the equal sign:

3x + 2 = 8
-2   -2

Which leaves us:
3x = 6

### Step 2: Step 2: Divide

In Step 2, we divide both sides by the coefficient in front of x:

3x = 6
/3    /3

Which gives us:

x = 2

### Step 3: Step 3: Check Your Solution

In the final step, we will check our solution by plugging our answer back in to the original equation:

3(2) + 2 = 8

We simplify this according to PEMDAS

6 + 2 = 8
8 = 8

Since we get the same number on both sides, we know the solution x = 2 is correct!

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Try to further simplify ### Examples

equation-calculator

3x-2

en

Sours: https://www.symbolab.com/solver/equation-calculator/3x-2

## Nonlinear equations

3x2 - 2 = 0

### Step  2  :

#### Trying to factor as a Difference of Squares :

Factoring:  3x2-2

Theory : A difference of two perfect squares,  A2 - B2  can be factored into  (A+B) • (A-B)

Proof :  (A+B) • (A-B) =
A2 - AB + BA - B2 =
A2- AB + AB - B2 =
A2 - B2

Note :  AB = BA is the commutative property of multiplication.

Note :  - AB + AB equals zero and is therefore eliminated from the expression.

Check : 3  is not a square !!

Ruling : Binomial can not be factored as the
difference of two perfect squares

3x2 - 2 = 0

### Step  3  :

#### Solving a Single Variable Equation :

Solve  :    3x2-2 = 0

Add  2  to both sides of the equation :
3x2 = 2
Divide both sides of the equation by 3:
x2 = 2/3 =

When two things are equal, their square roots are equal. Taking the square root of the two sides of the equation we get:
x  =  ± √ 2/3

The equation has two real solutions
These solutions are  x = ±√ = ±

### Two solutions were found :

x = ±√ = ±
Sours: https://www.tiger-algebra.com/drill/3x~=0/
How To Factor Polynomials The Easy Way!

## Nonlinear equations

3x2 = 0

### Step  2  :

#### Solving a Single Variable Equation :

Solve  :    3x2 = 0

Divide both sides of the equation by 3:
3x2 = 0

When two things are equal, their square roots are equal. Taking the square root of the two sides of the equation we get:
3x  =  ± √ 0

Any root of zero is zero. This equation has one solution which is  3x = 0

### One solution was found :

3x = 0
Sours: https://www.tiger-algebra.com/drill/3x~2=0/

## 2 3x to how solve

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How To Factor Polynomials The Easy Way!

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