2n-20=3.5n-5

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Solution for 2n-20=3.5n-5 equation: 



2n-20=3.5n-5

We move all terms to the left:

2n-20-(3.5n-5)=0

We get rid of parentheses

2n-3.5n+5-20=0

We add all the numbers together, and all the variables

-1.5n-15=0

We move all terms containing n to the left, all other terms to the right

-1.5n=15

n=15/-1.5

n=-10

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