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-2.6(n+5)=7.8
We move all terms to the left:
-2.6(n+5)-(7.8)=0
We add all the numbers together, and all the variables
-2.6(n+5)-7.8=0
We multiply parentheses
-2.6n-13-7.8=0
We add all the numbers together, and all the variables
-2.6n-20.8=0
We move all terms containing n to the left, all other terms to the right
-2.6n=20.8
n=20.8/-2.6
n=-8
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