12+2(1+9n)=-2(n+9)-12n

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Solution for 12+2(1+9n)=-2(n+9)-12n equation:



12+2(1+9n)=-2(n+9)-12n
We move all terms to the left:
12+2(1+9n)-(-2(n+9)-12n)=0
We add all the numbers together, and all the variables
2(9n+1)-(-2(n+9)-12n)+12=0
We multiply parentheses
18n-(-2(n+9)-12n)+2+12=0
We calculate terms in parentheses: -(-2(n+9)-12n), so:
-2(n+9)-12n
We add all the numbers together, and all the variables
-12n-2(n+9)
We multiply parentheses
-12n-2n-18
We add all the numbers together, and all the variables
-14n-18
Back to the equation:
-(-14n-18)
We add all the numbers together, and all the variables
18n-(-14n-18)+14=0
We get rid of parentheses
18n+14n+18+14=0
We add all the numbers together, and all the variables
32n+32=0
We move all terms containing n to the left, all other terms to the right
32n=-32
n=-32/32
n=-1

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