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0.3n-1.5=0.4-2n
We move all terms to the left:
0.3n-1.5-(0.4-2n)=0
We add all the numbers together, and all the variables
0.3n-(-2n+0.4)-1.5=0
We get rid of parentheses
0.3n+2n-0.4-1.5=0
We add all the numbers together, and all the variables
2.3n-1.9=0
We move all terms containing n to the left, all other terms to the right
2.3n=1.9
n=1.9/2.3
n=1/1.2105263157895
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