2(n-1)=-10

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Solution for 2(n-1)=-10 equation: 



2(n-1)=-10

We move all terms to the left:

2(n-1)-(-10)=0

We add all the numbers together, and all the variables

2(n-1)+10=0

We multiply parentheses

2n-2+10=0

We add all the numbers together, and all the variables

2n+8=0

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

2n=-8

n=-8/2

n=-4

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