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-25n+0.1n=9.8
We move all terms to the left:
-25n+0.1n-(9.8)=0
We add all the numbers together, and all the variables
-24.9n-9.8=0
We move all terms containing n to the left, all other terms to the right
-24.9n=9.8
n=9.8/-24.9
n=-2.57894736842/6.55263157895
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