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0.13n + 0.08(2750-n)=0.09(2750)
We simplify the equation to the form, which is simple to understand
0.13n + 0.08(2750-n)=0.09(2750)
Reorder the terms in parentheses
0.13n+(+220-0.08n)=0.09*(2750)
Remove unnecessary parentheses
+ 0.13n+220-0.08n=0.09+*(+2750+)
Reorder the terms in parentheses
0.13n+220-0.08n=+(+247.5)
Remove unnecessary parentheses
+ 0.13n+220-0.08n=+247.5
We move all terms containing n to the left and all other terms to the right.
+ 0.13n-0.08n=+247.5-220
We simplify left and right side of the equation.
+ 0.05n=+27.5
We divide both sides of the equation by 0.05 to get n.
n=550
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