# Joan sold half of her comic books and then bought 8 more. She now has 15. How many did she begin with?

##### 1 Answer

#### Explanation:

Let's construct an equation for the question and solve it

Let the number of comic books that Joan had in the beginning is

In the start she sold half her books (so,multiply by

#color(red)(x*1/2#

Next, she bought

#color(red)(x*1/2+8#

At the last she has

#color(red)(x*1/2+8=15#

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Now let's solve the completed equation

Subtract

Multiply both sides by

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So Joan started with

Hope this helps !...

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