12=3+2n

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Solution for 12=3+2n equation:



12=3+2n
We move all terms to the left:
12-(3+2n)=0
We add all the numbers together, and all the variables
-(2n+3)+12=0
We get rid of parentheses
-2n-3+12=0
We add all the numbers together, and all the variables
-2n+9=0
We move all terms containing n to the left, all other terms to the right
-2n=-9
n=-9/-2
n=4+1/2

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