9+3n=-9+5n

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Solution for 9+3n=-9+5n equation:



9+3n=-9+5n
We move all terms to the left:
9+3n-(-9+5n)=0
We add all the numbers together, and all the variables
3n-(5n-9)+9=0
We get rid of parentheses
3n-5n+9+9=0
We add all the numbers together, and all the variables
-2n+18=0
We move all terms containing n to the left, all other terms to the right
-2n=-18
n=-18/-2
n=+9

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