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5.78=3.4+2n
We move all terms to the left:
5.78-(3.4+2n)=0
We add all the numbers together, and all the variables
-(2n+3.4)+5.78=0
We get rid of parentheses
-2n-3.4+5.78=0
We add all the numbers together, and all the variables
-2n+2.38=0
We move all terms containing n to the left, all other terms to the right
-2n=-2.38
n=-2.38/-2
n=1+0.38/2
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