Respuesta :

I think the root of "3x + 1 = 7" is 2...

Answer:

The root of the equation is x=2.  

Step-by-step explanation:

Given : Equation [tex]3x+1=7[/tex]

To find : Solve for x?

Solution :

Step 1 - Write the equation

[tex]3x+1=7[/tex]

Step 2 - Subtract 1 both side,

[tex]3x+1-1=7-1[/tex]

[tex]3x=6[/tex]

Step 3 - Divide the equation by 3,

[tex]\frac{3x}{3}=\frac{6}{3}[/tex]

[tex]x=2[/tex]

Therefore, The root of the equation is x=2.