Compound Assignment With Augmented Addition kindly help

Curriculum Help JavaScript
#1

Tell us what’s happening:

Your code so far

var a = 3;
var b = 17;
var c = 12;

// Only modify code below this line

a = a + 12;
b = 9 + b;
c = c + 7;

Your browser information:

Your Browser User Agent is: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/64.0.3282.186 Safari/537.36.

Link to the challenge:
https://www.freecodecamp.org/challenges/compound-assignment-with-augmented-addition

#2

I found the answer guys!!

var a = 3;
var b = 17;
var c = 12;

// Only modify code below this line

a+= 12;
b+= 9;
c+= 7;