1-2n=-9-4n

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Solution for 1-2n=-9-4n equation:



1-2n=-9-4n
We move all terms to the left:
1-2n-(-9-4n)=0
We add all the numbers together, and all the variables
-2n-(-4n-9)+1=0
We get rid of parentheses
-2n+4n+9+1=0
We add all the numbers together, and all the variables
2n+10=0
We move all terms containing n to the left, all other terms to the right
2n=-10
n=-10/2
n=-5

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