2(9n+-1)=99+-7(3+-4n)

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Solution for 2(9n+-1)=99+-7(3+-4n) equation:



2(9n+-1)=99+-7(3+-4n)
We move all terms to the left:
2(9n+-1)-(99+-7(3+-4n))=0
We add all the numbers together, and all the variables
2(9n-1)-(99+-7(-4n))=0
We use the square of the difference formula
2(9n-1)-(99-7(-4n))=0
We multiply parentheses
18n-(99-7(-4n))-2=0
We calculate terms in parentheses: -(99-7(-4n)), so:
99-7(-4n)
determiningTheFunctionDomain -7(-4n)+99
We multiply parentheses
28n+99
Back to the equation:
-(28n+99)
We get rid of parentheses
18n-28n-99-2=0
We add all the numbers together, and all the variables
-10n-101=0
We move all terms containing n to the left, all other terms to the right
-10n=101
n=101/-10
n=-10+1/10

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