2(n-1)+2(n-2)=-5

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Solution for 2(n-1)+2(n-2)=-5 equation: 



2(n-1)+2(n-2)=-5

We move all terms to the left:

2(n-1)+2(n-2)-(-5)=0

We add all the numbers together, and all the variables

2(n-1)+2(n-2)+5=0

We multiply parentheses

2n+2n-2-4+5=0

We add all the numbers together, and all the variables

4n-1=0

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

4n=1

n=1/4

n=1/4

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