3=100-2n

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Solution for 3=100-2n equation:



3=100-2n
We move all terms to the left:
3-(100-2n)=0
We add all the numbers together, and all the variables
-(-2n+100)+3=0
We get rid of parentheses
2n-100+3=0
We add all the numbers together, and all the variables
2n-97=0
We move all terms containing n to the left, all other terms to the right
2n=97
n=97/2
n=48+1/2

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