Question

Solve for x. 3x+1=7 What is the root? If there is no root, choose none.

12
16
16 2/3
none

Answer 1

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

Answer 2

The root of the equation is x=2.

Explanation:

Given : Equation
`3x+1=7`

To find : Solve for x?

Solution :

Step 1 - Write the equation

`3x+1=7`

Step 2 - Subtract 1 both side,

`3x+1-1=7-1`

`3x=6`

Step 3 - Divide the equation by 3,

`(3x)/(3)=(6)/(3)`

`x=2`

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