What plus 8 equals 87?

This is how to calculate "What plus 8 equals 87?" In other words, what do you add to 8 to get 87? We start by converting this word problem into an equation where "What" is what we want to solve:

What + 8 = 87

To solve this equation, we first add -8 to each side of the equal sign like this:

What + 8 - 8 = 87 - 8

Then, we do the calculation to get the answer to "What plus 8 equals 87?" as follows:

What = 79

The answer to "What plus 8 equals 87?" is 79. You know this answer is correct because 79 plus 8 equals 87.

What Plus Calculator
Here you can calculate a similar problem:

What plus 8 equals 88?
Do you think you can solve a similar problem on your own? Try to figure out the next problem on our list and then go here to check the answer.