9(2n+5)=9(6n+6)+7

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Solution for 9(2n+5)=9(6n+6)+7 equation:



9(2n+5)=9(6n+6)+7
We move all terms to the left:
9(2n+5)-(9(6n+6)+7)=0
We multiply parentheses
18n-(9(6n+6)+7)+45=0
We calculate terms in parentheses: -(9(6n+6)+7), so:
9(6n+6)+7
We multiply parentheses
54n+54+7
We add all the numbers together, and all the variables
54n+61
Back to the equation:
-(54n+61)
We get rid of parentheses
18n-54n-61+45=0
We add all the numbers together, and all the variables
-36n-16=0
We move all terms containing n to the left, all other terms to the right
-36n=16
n=16/-36
n=-4/9

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