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2.4n+4.9n=-14.6
We move all terms to the left:
2.4n+4.9n-(-14.6)=0
We add all the numbers together, and all the variables
7.3n+14.6=0
We move all terms containing n to the left, all other terms to the right
7.3n=-14.6
n=-14.6/7.3
n=-2
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