n/2=20-3n

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Solution for n/2=20-3n equation: 



n/2=20-3n

We move all terms to the left:

n/2-(20-3n)=0

We add all the numbers together, and all the variables

n/2-(-3n+20)=0

We get rid of parentheses

n/2+3n-20=0

We multiply all the terms by the denominator


n+3n*2-20*2=0

We add all the numbers together, and all the variables

n+3n*2-40=0

Wy multiply elements

n+6n-40=0

We add all the numbers together, and all the variables

7n-40=0

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

7n=40

n=40/7

n=5+5/7

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