3(3n+5)=3(9-n)

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



3(3n+5)=3(9-n)
We move all terms to the left:
3(3n+5)-(3(9-n))=0
We add all the numbers together, and all the variables
3(3n+5)-(3(-1n+9))=0
We multiply parentheses
9n-(3(-1n+9))+15=0
We calculate terms in parentheses: -(3(-1n+9)), so:
3(-1n+9)
We multiply parentheses
-3n+27
Back to the equation:
-(-3n+27)
We get rid of parentheses
9n+3n-27+15=0
We add all the numbers together, and all the variables
12n-12=0
We move all terms containing n to the left, all other terms to the right
12n=12
n=12/12
n=1

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