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0.13n+0.07(5100-n)=0.08(5100)
We move all terms to the left:
0.13n+0.07(5100-n)-(0.08(5100))=0
We add all the numbers together, and all the variables
0.13n+0.07(-1n+5100)-(0.0851)=0
We add all the numbers together, and all the variables
0.13n+0.07(-1n+5100)-0.0851=0
We multiply parentheses
0.13n-0.07n+357-0.0851=0
We add all the numbers together, and all the variables
0.06n+356.9149=0
We move all terms containing n to the left, all other terms to the right
0.06n=-356.9149
n=-356.9149/0.06
n=-5948+0.0349/0.06
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