Half the sum of a number and 10 is 8. Find the number.

3

6

2

-2

1 answer

Let's represent the number as x. We can set up the equation as:

(1/2)(x + 10) = 8

To solve for x, we'll first multiply both sides of the equation by 2 to get rid of the fraction:

x + 10 = 16

Next, we'll subtract 10 from both sides:

x = 6

Therefore, the number is 6.