3+2(7-2n)=-(1+2)

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Solution for 3+2(7-2n)=-(1+2) equation: 



3+2(7-2n)=-(1+2)

We move all terms to the left:

3+2(7-2n)-(-(1+2))=0

We add all the numbers together, and all the variables

2(-2n+7)+3-(-3)=0

We add all the numbers together, and all the variables

2(-2n+7)+6=0

We multiply parentheses

-4n+14+6=0

We add all the numbers together, and all the variables

-4n+20=0

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

-4n=-20

n=-20/-4

n=+5

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