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0.09n + 0.2=2.9
We simplify the equation to the form, which is simple to understand
0.09n + 0.2=2.9
We move all terms containing n to the left and all other terms to the right.
+ 0.09n=+2.9-0.2
We simplify left and right side of the equation.
+ 0.09n=+2.7
We divide both sides of the equation by 0.09 to get n.
n=30
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