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1.7(n-0.2)+0.03n=3.6n+2.1(0.3n+0.7)
We move all terms to the left:
1.7(n-0.2)+0.03n-(3.6n+2.1(0.3n+0.7))=0
We add all the numbers together, and all the variables
0.03n+1.7(n-0.2)-(3.6n+2.1(0.3n+0.7))=0
We multiply parentheses
0.03n+1.7n-(3.6n+2.1(0.3n+0.7))-0.34=0
We calculate terms in parentheses: -(3.6n+2.1(0.3n+0.7)), so:We add all the numbers together, and all the variables
3.6n+2.1(0.3n+0.7)
We multiply parentheses
3.6n+0n+1.47
We add all the numbers together, and all the variables
4.6n+1.47
Back to the equation:
-(4.6n+1.47)
1.73n-(4.6n+1.47)-0.34=0
We get rid of parentheses
1.73n-4.6n-1.47-0.34=0
We add all the numbers together, and all the variables
-2.87n-1.81=0
We move all terms containing n to the left, all other terms to the right
-2.87n=1.81
n=1.81/-2.87
n=-1/1.58563535912
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