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9(42)+9(4)=9(30)+9(n)
We move all terms to the left:
9(42)+9(4)-(9(30)+9(n))=0
We add all the numbers together, and all the variables
-(9n+930)+942+94=0
We add all the numbers together, and all the variables
-(9n+930)+1036=0
We get rid of parentheses
-9n-930+1036=0
We add all the numbers together, and all the variables
-9n+106=0
We move all terms containing n to the left, all other terms to the right
-9n=-106
n=-106/-9
n=11+7/9
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