Question

The sum of four times a number and two is thirty. Find the number.The number is ? .

Answer 1

The number is 7

Step-by-step explanation:

Let's call the number a, and go by parts.

"The sum of four times a number". The number is a, and is added 4 times:

`a+a+a+a=4a`

"and two", this is:

`4a+2`

"is thirty"

`4a+2=30`

Now we can solve for a. First, let's rest 2 on both sides:

`4a+2-2=30-2`
`4a=28`

Now divide on both sides by 4: