3(5+n)=12-3n

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Solution for 3(5+n)=12-3n equation:



3(5+n)=12-3n
We move all terms to the left:
3(5+n)-(12-3n)=0
We add all the numbers together, and all the variables
3(n+5)-(-3n+12)=0
We multiply parentheses
3n-(-3n+12)+15=0
We get rid of parentheses
3n+3n-12+15=0
We add all the numbers together, and all the variables
6n+3=0
We move all terms containing n to the left, all other terms to the right
6n=-3
n=-3/6
n=-1/2

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