Reann has stickers. She gives her friend half, and then her brother gives her 8 new ones. She ends up with 12 stickers. How many did she start with? Identify the operations needed to solve this problem

Answer 1

To solve this problem, we need to perform two operations: dividing by half and adding.

Let's suppose Reann started with "x" stickers.

Operation 1: Dividing by half
After giving her friend half, Reann is left with x/2 stickers.

Operation 2: Adding
Next, her brother gives her 8 new stickers, so Reann now has x/2 + 8 stickers.

Given that she ends up with 12 stickers, we can set up the equation as follows:
x/2 + 8 = 12

To determine the value of "x", we need to solve this equation by isolating "x" on one side:

Subtracting 8 from both sides:
x/2 = 12 - 8
x/2 = 4

Multiplying both sides by 2 to eliminate the fraction:
2 * (x/2) = 2 * 4
x = 8

Therefore, Reann initially started with 8 stickers.