Basic JavaScript - Compound Assignment With Augmented Subtraction - U7rx6HV7DkAehEadJP4Zy

Tell us what’s happening:
Describe your issue in detail here.

Your code so far

var a = 11;
var b = 9;
var c = 3;

// Only change code below this line
a -= 6;
b -= 15;
c -= 1;

Your browser information:

User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.0.0 Safari/537.36

Challenge: Basic JavaScript - Compound Assignment With Augmented Subtraction

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You seem to have copied an old answer you found somewhere.