4 more than twice a number is 665

The number (x) in: "4 more than twice a number is 665" is what we are solving here.

In other words, you are looking for a number (x) that if you multiply it by two (same as twice) and then add 4, you get 665.

To solve this, you first write the problem as an algebra equation as follows: 2x + 4 = 665

Then you solve the equation by subtracting 4 from both sides, and then divide both sides by 2. Here is the math to illustrate better:

2x + 4 = 665

2x + 4 - 4 = 665 - 4
2x = 661

2x/2 = 661/2
x = 330.5

Answer = 330.5

The answer above is correct, because twice 330.5 is 661, and 4 more than 661 is in fact 665.

More Than Twice a number
Go here to solve a similar algebra problem.

4 more than twice a number is 666
Try to solve the next algebra problem on our list before you go here to check your answer.